Microbunker - Skirmish and Tactical Ruleset
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CHAPTER 10

Optional Rules & Friction

Optional Rules & Friction

10. OPTIONAL RULES

"War is cruelty, and you cannot refine it." β€” General William T. Sherman, 1864

"The dead covered more than five acres of ground about as thickly as they could be laid." β€” Private Sam Watkins, 1864

These mechanics add deep historical flavor, "friction," and narrative progression to your battles. They are completely optional and should only be used if both players agree before the game begins.

1.0 Pre-Game Command Bidding

  • [OPT-10-1.1] The Bidding Phase: Instead of rolling for standard Turn 1 initiative, both players receive a pool of 15 Pre-Battle Points. Before deployment, players secretly allocate these points across four categories using a piece of paper.
  • [OPT-10-1.2] Resolving Bids: Reveal the allocations simultaneously. The player who bid the most points in a category wins that specific advantage. (Ties result in neither player getting the advantage).
  • Scouting: Winner may move or remove one terrain piece (excluding rivers) up to 6.0" before deployment.
  • The March: Winner forces the enemy to deploy their entire army first.
  • Initiative: Winner automatically takes the first turn of the game.
  • Logistics: Winner selects one enemy artillery battery; it begins the game with a "Low Ammo" marker.

2.0 The Clean Barrels (First Volley)

  • [OPT-10-2.1] Pristine Muskets: Historically, the very first shot a regiment fired was meticulously loaded in camp. To represent this, place a small visual token (such as a white cotton puff or a brass percussion cap) next to every infantry regiment during deployment.
  • [OPT-10-2.2] The Bonus: When a regiment fires its muskets for the very first time in the game, it receives a flat +1 To-Hit modifier on its shooting dice.
  • [OPT-10-2.3] Fouled Barrels: Immediately after this first attack is resolved, remove the token. The regiment will never receive this bonus again during the battle, representing black powder fouling and combat stress.

3.0 The Friction of War Events

  • [OPT-10-3.1] Triggering Friction: At the start of the turn, if both players roll the exact same number when generating their Commander's Staff Pips, the Active Player must pause and roll 1D6 on the Friction Table below before issuing any orders.
1D6 Roll Battlefield Event Effect
1 Ammunition Wagon Delayed The opponent selects one active battery or regiment. It immediately receives a Low Ammo marker.
2 Sudden Squall A brief rain dampens powder. For this entire turn, all shooting dice pools for both sides are halved (rounded down).
3 Misinterpreted Orders The opponent selects one active regiment. It must immediately move 6.0" straight forward.
4 "The General is at the Front!" The Active Brigadier generates +2 Pips this turn. However, if any unit in his brigade takes a casualty, he is automatically wounded (removed from play).
5 Panic in the Ranks A false rumor sweeps the line. Roll 1D6 for a random active regiment; on a 1-3, they receive a Disorder marker.
6 Heroic Momentum The Active Player chooses one regiment. It may Assault this turn for 0 Pips and automatically passes its Discipline Check to close.

4.0 Hidden Deployment (Blinds)

  • [OPT-10-4.1] The Tokens: During deployment, instead of placing miniature regiments on the table, players deploy numbered wooden blocks or "Blind" tokens. Each player receives exactly 1 Blind for each of their real Brigades, plus 2 "Dummy" Blinds.
  • [OPT-10-4.2] Maneuvering Blinds: Blinds move exactly like troops during the Maneuver phase, at a flat speed of 9.0" across any terrain.
  • [OPT-10-4.3] Unmasking: A Blind is immediately revealed if an enemy unit or enemy Blind moves within 12.0" (visual range), or if the controlling player voluntarily unmasks it to shoot.
  • [OPT-10-4.4] The Trap: If a revealed Blind is a Dummy, it is instantly removed from the table. If it is a real Brigade, replace the token with the actual miniatures, facing any direction the controlling player wishes.

6.0 Historical Army Traits

  • [RULE-07-5.1] Army Traits Overview: To capture the distinct doctrinal and historical character of famous units and theater characteristics without creating bloated rule exceptions, units may be assigned one or more standard Historical Traits during scenario design:
Trait Effects
1. REBEL YELL (Confederate Assault Trait) +1 to Opposed Melee Rolls when charging/counter-charging. Forces charging enemy to take Discipline Check if counter-charged.
2. SEEN THE ELEPHANT (Green / Inexperienced) Must make 1D6 Discipline Check (5+) first time unit takes fire. Failure inflicts Disorder Marker and halts advance.
3. IRON DISCIPLINE (Elite Formations) Immune to first natural 6 Disorder result in a game turn. Rallies naturally on a 3+ on 1D6.
4. STEADY (Disciplined Drill Regiments) +1 on Discipline Checks caused by Closing Defensive Volleys. Re-roll 1 failed Morale/Cover Save per turn.
5. SHARPSHOOTERS / BUCKTAILS May re-roll one missed shooting die at Medium Range (6"–14"). Detaches Skirmish Screen for free without movement penalty.
6. BUCK & BALL SPECIALISTS Hits on 3+ at Short Range (0–6"); rolls +1 bonus die at <3.0". Incapable of fire beyond 14.0".
  • [RULE-07-5.2] The Rebel Yell Doctrine:
  • Application: Confederate infantry regiments with the Rebel Yell trait gain +1 to their Opposed Melee Roll when executing an Assault or declaring a Reaction 5: Counter-Charge .
  • Psychological Shock: When a Rebel Yell unit successfully closes into base contact against a Green or Regular Union unit that is not in heavy earthworks, the Union defender must pass an immediate Discipline Check (4+) before melee dice are rolled. Failure imposes a Disorder Marker on the defender prior to calculating the melee score.
  • [RULE-07-5.3] Seen the Elephant (Green Units Under Fire):
  • Application: Applies to newly recruited or unblooded units.
  • The Test: The very first time the regiment suffers an unsaved hit or a natural 6 from enemy musketry or artillery during the game, it must take an immediate Discipline Check (5+ on 1D6).
  • Failure: The unit immediately receives a Disorder Marker, halts in place, and cannot move forward for the remainder of that turn.
  • [RULE-07-5.4] Iron Discipline (Elite Formations):
  • Application: Represents crack shock formations (e.g., The Iron Brigade of the West, The Stonewall Brigade, Hood's Texas Brigade, The Orphan Brigade).
  • Suppression Immunity: The unit ignores the first natural 6 Disorder result inflicted on it during each game turn. It takes the casualty hit, but ignores the suppression disorder.
  • Elite Rally: Rallies naturally on a roll of 3+ on 1D6 in Phase 5.

7.0 The Horse Holder Rule (Detailed Dismounting)

  • [RULE-08-2.1] The Decision to Dismount: American Civil War cavalry functioned primarily as mobile dragoon infantry. An unengaged mounted cavalry regiment in good order may dismount during Phase 2: Active Maneuver Phase by spending half of its movement allowance (4.5").
  • [RULE-08-2.2] The Horse Holder Deduction (The 1-in-4 Rule):
  • Historical cavalry drill regulations required one man in every four to remain in the rear holding the reins of four horses.
  • Stand Conversion: When a cavalry regiment dismounts, detach 1 stand to serve as the Horse Holder Stand. The remaining stands are placed forward as a Dismounted Skirmish Line.
  • [RULE-08-2.3] Deploying the Dismounted Skirmish Line:
  • Dismounted stands fight in Skirmish Order (spaced with up to 0.5" gaps between bases).
  • Defensive Benefit: Dismounted cavalry in open ground count as being in Light Cover (5+ Save) due to their dispersed, prone firing postures.
  • Terrain Exploitation: Dismounted cavalry may enter dense woods, rocky ridgelines, and structures without formation disorder penalties.
  • [RULE-08-2.4] The Horse Holder Stand (Vulnerability & Movement):
  • The Horse Holder stand is placed 2.0"–3.0" directly behind the center of the dismounted firing line, preferably in dead ground or behind cover.
  • Movement: Horse holders move at 4.0" in open ground or 8.0" on roads. They must maintain a distance of no more than 4.0" from their parent dismounted line.
  • Combat Vulnerability: Horse holders cannot shoot. If targeted by enemy fire, they receive no cover save. If contacted by an enemy charge, the horse holders are Captured / Destroyed: the stand is removed, and the parent dismounted regiment can never remount for the remainder of the battle.
  • [RULE-08-2.5] Remounting Procedure:
  • To remount, the dismounted firing stands must fall back into physical base contact with their Horse Holder stand.
  • Spending half of a turn's movement allowance (4.5") remounts the unit, restoring the full starting mounted stand count. The unit may move the remaining 4.5" as a mounted line or column.

8.0 Advanced Artillery Tactics

  • [RULE-05-8.1] Overhead Fire: Artillery batteries deployed on a higher elevation contour (e.g., a Level 1 Hill) may fire over the heads of friendly infantry on a lower contour (e.g., Level 0) without triggering Friendly Fire penalties. However, the friendly infantry must be at least 3.0" away from the artillery bases, and the target must be at least 3.0" behind the friendly infantry.
  • [RULE-05-8.2] Counter-Battery Fire: Artillery firing exclusively at enemy artillery stands executes Counter-Battery Fire. If a natural 6 is rolled to-hit on the shooting dice, it does not just cause a crew casualty; it scores a direct hit on a caisson, limber, or gun carriage, destroying the enemy gun stand outright and removing it from play.
  • [RULE-05-8.3] Bouncing Solid Shot (Enfilade): If an artillery battery fires spherical case or solid shot (Medium or Long Range) directly into the flank of an enemy line of battle, the shot bounces laterally down the ranks. The battery rolls +2 bonus dice on the attack, representing the devastating "bowling ball" effect of enfilading round shot.

7.0 Pre-Planned Written Orders (Token System)

  • [OPT-10-7.1] Design Intent: This optional module replaces the dynamic activation system. It forces players to pre-plan their entire brigade's actions before any movement occurs, perfectly simulating the rigid, un-cancelable nature of 19th-century orders.
  • [OPT-10-7.2] Phase 1 (Order Placement): After rolling for Staff Pips, the active player must place a face-down Order Token behind every single regiment and battery under their command.
  • Tokens Available: Move/Advance, Assault (Costs 1 Pip), Hold Position / Fire, Change Formation.
  • [OPT-10-7.3] Phase 2 (Execution): All tokens are flipped face-up simultaneously. The active player must execute the revealed orders exactly as written. If a unit reveals an Assault token but the target has moved out of range due to a reaction, the unit must still move its full 9.0" Double-Quick speed in a straight line toward where the target used to be. If a unit reveals a Hold / Fire token, it cannot move or pivot during Phase 2.

8.0 Elite Sharpshooter Regiments (Optional Trait)

In specific historical scenarios, an army may be permitted to field a dedicated sharpshooter regiment (e.g., Berdan's 1st US Sharpshooters). We strongly recommend limiting this to a maximum of 1 regiment per army.

  • Full Skirmish Deployment: Unlike standard infantry, this entire regiment may deploy in Skirmish Order. All physical stands in the regiment are spread apart with exactly 1.0" intervals between them. (Dispersing into or recalling from this formation costs half of the unit's movement allowance).
  • Movement: The regiment moves at the standard Skirmish speed (8.0"). They ignore all movement penalties and friction checks for crossing Difficult Terrain (woods, rough ground, fences).
  • Firing (Offensive): They fire with their normal weapon profile (usually Rifled Muskets or Breechloaders), rolling 1D6 per stand. Because they are dispersed, they do not block Line of Sight. Friendly units may fire "through" the gaps in the sharpshooter line at targets beyond them without penalty.
  • Receiving Fire (Defensive): Enemies suffer a -1 To-Hit penalty when firing at the sharpshooters due to their dispersed nature. Enemy units may also choose to fire "through" the sharpshooters to target formed friendly lines behind them.
  • Receiving Charges (Evasion): If charged by enemy formed infantry or cavalry, the sharpshooters may use the Skirmish Evade (Reaction 3) to fall back 4.0"-6.0" through friendly lines for free.
  • Melee Weakness: Because they are dispersed, they cannot declare an Assault against enemy formed lines. If they are charged and cannot (or choose not to) evade, they do not automatically die like a 1-stand screen, but they suffer a catastrophic -2 penalty to their Opposed Melee Roll.

9.0 Seeing the Elephant (Premature Firing)

  • [OPT-10-9.1] Design Intent: This rule simulates the terrible fire discipline of raw recruits. Green troops facing a terrifying bayonet charge often fired their volleys too early out of panic, leaving them unloaded and defenseless when the enemy actually closed the distance.
  • [OPT-10-9.2] The Panic Fire Check: When a Green (Inexperienced) regiment is targeted by an enemy Assault and the enemy reaches the 4.0-inch Reaction Trigger Window, the Green defender must immediately pass a Discipline Check (4+).
  • [OPT-10-9.3] Failure Consequences: If the check is failed, the Green regiment panics and fires early. They are forced to use their Closing Defensive Volley at maximum range before the attacker enters point-blank distance. They suffer a -2 To-Hit penalty on this volley (representing erratic, long-range panic fire). Because they have fired early, they have empty muskets and receive a -1 penalty in the ensuing Opposed Melee Roll.

10.0 The July Sun (Heat Exhaustion)

  • [OPT-10-10.1] Design Intent: Simulates the grueling physical toll of fighting in heavy wool uniforms during mid-summer campaigns like Gettysburg or Bull Run, where heatstroke caused as many drop-outs as enemy bullets.
  • [OPT-10-10.2] The Exhaustion Threshold: If a regiment moves at Double-Quick speed (or declares an Assault) for two consecutive game turns, they succumb to heat exhaustion.
  • [OPT-10-10.3] Forced Disorder: At the end of their movement on the second consecutive turn, the unit automatically receives a Disorder Marker. They cannot Double-Quick or charge again until this marker is removed via a Rally action.

11.0 Uncontrollable Pursuit (Breakthrough Frenzy)

  • [OPT-10-11.1] Design Intent: Historically, when a regiment finally broke an enemy line in brutal hand-to-hand combat, they often became intoxicated by victory. Officers lost control as the men charged wildly forward into the enemy rear, breaking their own battle lines and exposing themselves to counter-attack.
  • [OPT-10-11.2] The Frenzy Check: If a regiment completely destroys or routs an enemy unit in Melee, they must immediately pass a Discipline Check (4+).
  • [OPT-10-11.3] Breaking the Line: If the check is failed, the victorious unit becomes Frenzied. They must immediately make a free, mandatory forward move of 4.0 inches directly toward the nearest enemy unit or objective, breaking formation with their parent brigade. They receive a Disorder Marker at the end of this uncontrolled pursuit move.

12.0 Refusing the Flank (The Chamberlain Maneuver)

  • [OPT-10-12.1] Design Intent: Bending a battle line backward to protect an exposed flank (like the 20th Maine at Little Round Top) was one of the most difficult maneuvers to execute under fire. It required intense officer coordination to pull men backward without the rank-and-file thinking a general retreat had been ordered.
  • [OPT-10-12.2] The Command Friction Check: Normally, wheeling or pivoting is a free maneuver. However, if a unit attempts to pivot its wing backward (Refusing the Flank) while within 12 inches and Line of Sight of an enemy unit, it requires direct officer intervention. The parent Brigadier must expend 1 Staff Pip and the regiment must immediately roll a Discipline Check (4+).
  • [OPT-10-12.3] Resolution & Retries: The outcome depends on the D6 roll:
  • Success (4, 5, 6): The men understand the orders and successfully execute the maneuver.
  • Standard Failure (2, 3): The maneuver fails due to battlefield noise and confusion. The unit remains in its original facing, and the 1 Staff Pip is wasted. The player may attempt the maneuver again immediately if they have another Staff Pip to spend.
  • Catastrophic Failure (1): Total chaos! The men misinterpret the order as a general retreat and break ranks. The unit remains in its original facing but immediately receives a Disorder Marker. The Staff Pip is wasted, and no further attempts may be made to maneuver this unit this turn.

13.0 Digging In (Hasty Breastworks)

  • [OPT-10-13.1] Design Intent: Especially from 1864 onward (e.g., The Wilderness, Spotsylvania), ACW troops learned to throw up logs, fence rails, and dirt piles almost immediately after halting. This rule allows dynamic manipulation of battlefield terrain.
  • [OPT-10-13.2] The Digging Action: During Phase 1 (Command & Maneuver), an infantry regiment may spend 1 Staff Pip and declare they are "Digging In." The unit may not move, fire, or participate in Assaults this turn.
  • [OPT-10-13.3] Placement & Protection: At the end of the turn, place a Hasty Works marker along the unit's front facing.
  • If the unit was in Open Ground, they now count as being in Light Cover (5+ save) against fire crossing their front.
  • If the unit was already in Light Cover (such as a woodline or rail fence), they upgrade that position to Heavy Cover (4+ save).
  • Works may not be built in marshes, across streams, or inside masonry structures.

14.0 Spiking the Guns (Artillery Overrun)

  • [OPT-10-14.1] Design Intent: When infantry overran an enemy battery, they often hammered rat-tail files into the touchholes of the cannons ("spiking" them) so the enemy couldn't use the pieces if they counter-attacked and recaptured the ground.
  • [OPT-10-14.2] Capturing the Battery: If an infantry unit successfully wins a melee against an artillery battery, the battery's stands are removed, and the infantry occupies the guns.
  • [OPT-10-14.3] Spiking vs. Hauling: During their next Command Phase, the occupying unit's Brigadier must decide the fate of the guns:
  • Spike the Guns: By spending 1 Staff Pip, the infantry permanently disables the battery. Remove the guns from the table. Even if the enemy retakes the hill, the artillery cannot be recovered or used.
  • Haul them off: The player may attempt to drag the guns to their own board edge for Campaign Victory Points, but doing so prevents the unit from moving faster than half-speed or firing until the guns are secured. If the enemy counter-attacks while the guns are still on the table, the guns are recaptured intact.

15.0 The Rebel Yell / Union Huzzah (Psychological Shock)

  • [OPT-10-15.1] Design Intent: Represents the sheer, coordinated psychological terror of an entire brigade roaring its battle cry during a massive bayonet charge, breaking enemy nerves before the lines ever physically clash.
  • [OPT-10-15.2] The Declaration: Once per game per army, a Brigadier may spend 2 Staff Pips at the start of Phase 4 (Assault & Melee) to unleash their faction's terrifying battle cry across their entire brigade.
  • [OPT-10-15.3] The Psychological Effect: For that entire Assault phase, every enemy unit charged by that brigade suffers an automatic -1 penalty to all Reaction Saves and Discipline Checks.
  • [OPT-10-15.4] The Recoil: Such intense adrenaline comes at a cost. At the end of the turn, every unit in the brigade that participated in the charge receives a Disorder Marker due to physical exhaustion and broken formation, regardless of whether they won or lost the melee.

16.0 Desperate Valor (Command Action)

  • [OPT-10-16.1] Design Intent: Civil War soldiers were professional and deeply disciplined. Charging into defensive volleys or depressed canister fire was viewed as suicidal, yet units routinely executed these orders when strategically necessary, driven by raw unit cohesion and extreme leadership. This rule gives players the historical tool to push men through this brutal slaughter.
  • [OPT-10-16.2] The Order: During Phase 1 (Command & Maneuver), a Brigadier may spend 2 Special Staff Pips to order "Fix Bayonets / Desperate Valor" for a single regiment that is declaring an Assault.
  • [OPT-10-16.3] The Benefit: The intense command focus grants the charging regiment incredible nerve. During the ensuing Assault phase, the regiment gains Advantage on all Discipline/Morale checks (roll 2D6 and drop the lowest). This allows them a vastly higher chance to absorb punishing defensive volleys or point-blank canister without breaking before contact.

17.0 Caught Flat-Footed (Forced Reaction Penalty)

  • [OPT-10-17.1] Design Intent: Adapted from the Johnny Reb 3 'Forced Conditional Hold'. It heavily penalizes units that are caught marching or moving in column formation when suddenly ambushed by a charge, reflecting the panic of attempting to unpack into a fighting line under extreme duress.
  • [OPT-10-17.2] The Trigger: If a unit is declared as the target of an enemy charge while currently deployed in Road Column or Assault Column.
  • [OPT-10-17.3] The Penalty: If the targeted unit does not have a Reserved Staff Pip to spend on a Defensive Reaction (such as Refusing the Flank or forming a Closing Volley), they are caught completely flat-footed.
  • [OPT-10-17.4] Resolution: The flat-footed unit automatically suffers a -1 penalty to their Melee Shock score, and must immediately take a Discipline Check. If they fail, they are Disordered before the enemy even makes contact.

18.0 The Second Line of Battle (Support Morale)

  • [OPT-10-18.1] Design Intent: Simulates the massive psychological comfort a regiment felt when they knew friendly reinforcements were deployed directly behind them, ready to step up and plug the gaps.
  • [OPT-10-18.2] The Support Bonus: Whenever a regiment is required to take a Discipline Check (whether from a Closing Volley, taking heavy casualties, or preparing to assault), they gain a +1 Bonus to their 1D6 roll.
  • [OPT-10-18.3] Eligibility: To claim this bonus, there must be a friendly, formed regiment (not skirmishers) deployed within 3.0 inches directly behind the center of the testing regiment. The supporting regiment cannot currently have a Disorder marker.

19.0 Plunging Fire & Overshoot (Rifled Muskets)

  • [OPT-10-19.1] Design Intent: While highly accurate at long ranges, the rifled musket's MiniΓ© ball had a severe, rainbow-like trajectory. In the blind panic of an incoming bayonet charge, soldiers frequently forgot to adjust their rear sights back down to zero, causing their defensive volleys to fly harmlessly over the attackers' heads.
  • [OPT-10-19.2] The Overshoot Penalty: When a unit equipped with Rifled Muskets fires a Defensive Closing Volley against an incoming Assault, they only score hits on a 5+ (instead of the standard 4+).
  • [OPT-10-19.3] Smoothbore Superiority: Units armed with Smoothbore Muskets or Repeaters do not suffer this penalty. This creates a distinct tactical advantage for smoothbores when defending a static line against a charge, simulating their point-and-shoot reliability at close range.

20.0 Environmental Friction & Weather (Optional Historical Chrome)

The American Civil War featured some of the most miserable weather conditions in military history, from the torrential downpours of Williamsburg to the sweltering humidity of Gettysburg. Players may agree to apply one Atmospheric condition and one Ground condition to a scenario to radically alter the tactical landscape.

Ground Conditions (Impacts Movement & Artillery)

  • [OPT-10-20.1] Dry / Firm: Standard rules. Artillery solid shot ricochets normally.
  • [OPT-10-20.2] Soft / Slick Ground: After a light rain or spring thaw.
  • Infantry/Cavalry: -1.0" to all movement.
  • Artillery: Wheels sink slightly. Unlimbering costs 2 Staff Pips. Solid shot sinks rather than bouncing, reducing the maximum effective range of all artillery by 6.0".
  • [OPT-10-20.3] Deep Mud / Saturated:
  • Infantry: -2.0" to movement. Double-Time orders are strictly prohibited unless moving entirely along an established road.
  • Cavalry: -4.0" to movement.
  • Artillery: Unlimbering remains a free action (0 Pips), but the guns sink to their axles. A battery that unlimbers in Mud cannot fire during Phase 3 of that same turn. If limbered artillery moves into open ground (off-road), it immediately becomes permanently stuck and cannot move for the rest of the game.

Precipitation & Visibility (Impacts Shooting & Misfires)

  • [OPT-10-20.4] Light Rain / Drizzle:
  • Damp Powder (Misfires): If an infantry or cavalry unit rolls two or more '1's on a shooting attack, their paper cartridges are damp and their barrels fouled. Place a "Fouled" marker on them. They suffer a -1 penalty to all future shooting. A Brigadier can spend 1 Staff Pip during Phase 1 to "Clear Arms" and remove the marker.
  • [OPT-10-20.5] Heavy Rain / Torrential Downpour:
  • Wet Powder: No unit may claim a "First Fire" bonus. The Fouled/Misfire rule triggers if even a single '1' is rolled in a firing pool.
  • Blinding Rain: Line of Sight (LOS) is hard-capped at 12.0".
  • [OPT-10-20.6] Light Fog:
  • Hazy Silhouettes: Line of Sight (LOS) is hard-capped at 18.0".
  • Concealed Deployments: Units cannot be targeted by artillery beyond 12.0" unless they currently have a Smoke Marker (i.e., they have already fired).
  • [OPT-10-20.7] Dense Fog / Morning Mist:
  • Blind Combat: Line of Sight (LOS) is hard-capped at 6.0".
  • Stumbling Assaults: Units cannot declare an Assault order unless the target is already visible within the 6.0" radius.
  • Fog Lifting: At the start of Turn 3 (and every subsequent turn), the active player rolls 1D6. On a 5+, the Dense Fog thins out and becomes Light Fog.

Extreme Temperatures (Impacts Fatigue & Morale)

  • [OPT-10-20.8] Severe Heat:
  • Heat Exhaustion: The physical toll of running in thick wool uniforms under a baking sun is severe. Any unit that executes a Double-Time or Assault order immediately suffers 1 Micro-Hit (attrition) as men succumb to heatstroke and fall out of the ranks.

21.0 Late-War Open Order (1864+)

By 1864, the devastating accuracy of the rifled musket and the tangled terrain of battlefields like The Wilderness forced commanders to abandon rigid Napoleonic lines. Entire regiments, and sometimes whole brigades, were deployed in loose, dispersed skirmish lines to survive the approach and navigate the woods.

[!NOTE] Tactical Context: When to use Open Order * The Pluses: Open Order is the ultimate survival and stalling formation. Because it grants a +1 Cover Save and ignores the movement penalties of Dense Woods, it is perfect for marching across open ground under heavy artillery fire (acting as a bullet sponge) or quickly navigating broken terrain to tie up the enemy in a prolonged, long-range firefight. * The Drawbacks: It has absolutely zero offensive shock power. You cannot declare an Assault, and because it suffers a -1 To-Hit penalty, your overall volley fire is diluted. Most dangerously, if a tightly packed enemy Assault Column manages to reach you with bayonets, your spread-out skirmishers will instantly scatter (losing a full stand automatically). Use Open Order to survive the approach, but rely on a solid Line of Battle when it is time to take ground!

[OPT-10-21.1] Deploying into Open Order * Command Cost: Transitioning an entire regiment away from standard tactical doctrine requires a Special Order. It costs 1 Staff Pip to deploy a single regiment into Open Order (or 2 Staff Pips to simultaneously deploy an entire brigade). * The Maneuver: The unit spends half its base movement (3.0") to execute an outward oblique. Physically separate the regimental stands so there is exactly a 1.0-inch gap between every stand in the unit.

[OPT-10-21.2] Movement & Maneuvers * Speed: An Open Order regiment moves at 6.0" in Open Ground, and 5.0" in Dense Woods or Rough Terrain. * Terrain Mastery: They completely ignore the automatic Disorder penalty for entering Dense Woods, Swamps, or Abatis. * Agile Facing (No Wheeling): Because the men are not locked shoulder-to-shoulder, the unit does not execute formal Wheels. During its movement phase, an Open Order regiment may freely pivot all of its stands in place to face any new direction without spending movement distance. * Restrictions: An Open Order regiment cannot use the Double-Time order, cannot declare an Assault, and does not secure the flanks of friendly formed units (they cannot act as an anchor).

[OPT-10-21.3] Firepower & Survivability * The Bullet Sponge (+1 Cover): Because the men are spread out 5 to 10 paces apart and instinctively hit the dirt when fired upon, an Open Order regiment receives an automatic +1 to all Cover Saves against artillery and musketry. (e.g., Open Ground provides a 5+ Light Cover save; Light Woods provide a 4+ Heavy Cover save). * Dispersed Fire (-1 To-Hit): An Open Order regiment rolls its full allotment of firing dice in Phase 3. However, because they are firing "at will" rather than executing a synchronized officer-led volley, they suffer a -1 To-Hit penalty on all shooting rolls.

[OPT-10-21.4] The Melee Trap Open Order trades physical mass for survival. A loose chain of individuals cannot physically halt a dense, 400-man assault column with bayonets. * Overrun: If an Open Order regiment is contacted by a charging formed unit (Line or Column), the Open Order unit automatically loses the melee without rolling any dice. They are instantly overrun. The Open Order unit suffers the loss of 1 Full Stand (2 hits), receives a Disorder Marker, and must immediately fall back 3.0". * Attacker Momentum: The victorious attacker may then execute a standard Free Consolidation Move (2.0") or spend 1 Pip for a Sweeping Advance (4.0") to strike the units behind the skirmishers.

22.0 The Wave Attack (Deep Mass Assault)

In May 1864, Colonel Emory Upton realized that sending a single, wide line of battle against entrenched Confederates at Spotsylvania's "Mule Shoe" was suicidal. His solution was to stack twelve regiments into a massive, tightly packed vertical column. The goal was pure kinetic shock: the men were ordered to remove the percussion caps from their rifles so they could not stop to shoot. If the first line was shot to pieces, the second line would simply run over them and breach the trench.

[!TIP] Designer's Note: Deployment & Time Constraints From a gaming perspective, attempting to manually march a deployed brigade from a wide horizontal line into a deep vertical stack in the middle of a battle will take 3 or 4 turns of wheeling and marching. Doing this under enemy fire will get your brigade destroyed. Historically, Upton assembled his massive column behind the lines in a dense pine forest, completely out of sight. Players are strongly encouraged to deploy their regiments into this formation during the pre-game Setup Phase, or to seamlessly pivot into it when a brigade arrives on the board marching in a Road Column.

[OPT-10-22.1] Authorizing the Wave Assault * Command Cost: It costs 2 Staff Pips from the Brigadier to authorize a Wave Assault. * Alignment: The player designates 2 or more regiments from the same brigade (up to the entire brigade). The remaining regiments of the brigade may act independently. The participating regiments must be aligned front-to-back, with the front of the supporting regiment placed no more than 1.0" behind the rear of the lead regiment. All regiments in the mass must be in the identical formation (either all in Line of Battle, or all in Assault Column). Open Order regiments may not participate.

[OPT-10-22.2] The Kinetic Strike (No Musketry) The defining characteristic of the Wave Attack is unstoppable forward momentum. To prevent units from stalling in the killing zone: * No regiment participating in a Wave Assault is permitted to fire in Phase 3. Their sole purpose is movement and melee shock.

[OPT-10-22.3] Continuous Momentum (The Surge) The paired regiments declare a charge as a single unified mass. 1. The enemy resolves their defensive closing volley against the Lead Regiment. 2. If the Lead Regiment is Shattered, or if it fails its Discipline Check and falls back in Disorder, the charge does not stall. 3. The supporting regiment immediately executes a free Passage of Lines, pushing straight through the fleeing men of the Lead Regiment. The supporting regiment completes the charge distance and strikes the enemy in melee without losing the turn's momentum.

[OPT-10-22.4] The Artillery Magnet Stacking thousands of men directly behind each other creates the ultimate target for enemy cannons. * If an enemy artillery battery fires Solid Shot or Shell at a Wave Mass, they do not need to roll a Natural '6' to trigger an Overshoot. Every hit scored on the Lead Regiment automatically inflicts 1 Stray Hit on the support regiment directly behind it, as the cannonballs punch through the dense ranks.