Battle Forces represent an alternative to building a "standard" list. Each of the four main Factions have at least one battle force option. Each battle force has its own restrictions in allowable army composition, but gains access to other command cards, alternate units, or special abilities or rules that cannot be used by a standard army of that faction.
The most recent rules for all Battle Forces can be found on the Atomic Mass Games official website HERE
Empire:
Blizzard Force - themed after the Imperial invasion of Hoth & assault on the hidden Echo Base, shown in The Empire Strikes Back.
Imperial Remnant - themed after the fractured militaries of Imperial warlords, specifically those serving Moff Gideon, featured throughout the first and following seasons of The Mandalorian.
Tempest Force - themed after the defense force assigned to the Imperial Shield Control bunker on Endor's forest moon in The Return of the Jedi.
Rebels:
Echo Base Defenders - themed after the rebel forces who delayed Blizzard Force to facilitate the evacuation of Echo Base in The Empire Strikes Back.
Bright Tree Village - themed after the short native species that came to the aid of the rebel commando raid on Endor's moon in The Return of the Jedi.
Separatists:
Separatist Invasion Force - themed after a Separatist planetary incursion seen through The Clone Wars animated series, emphasizing Trade Federation droid units.
Experimental Droids - themed after alternate versions of droid units that ultimately didn't see mass production, referencing some episodes of The Clone Wars animated series.
Republic:
501st Legion - themed after General Anakin Skywalker's 501st Clone Legion, featuring ARC troopers and Captain Rex, specifically during the Umbara story arc of The Clone Wars animated series.
Wookiee Defenders - themed after the combined clone army & Wookiee defense of the planet Kashyyyk prior to Order 66, as seen in The Revenge of the Sith (2005).
Mercenaries (Non-Faction):
Shadow Collective - themed after Maul's criminal underworld collective, which attacks Mandalore at the climax of the The Clone Wars animated series.