


Randomly placed crates, which can be turned on or off before starting the game, provide the players with units or resources. Moreover, an increasable population limit prevents the player from recruiting an unlimited number of soldiers. While at the beginning of the match, only the requisition points are used, scrap/energy is needed to unlock higher-tier units, buildings, and abilities. Power can be produced by Dark Energy Reactors or Scrap Power Generators. Scrap can be gathered from special piles by Resistance Engineers or found after killing enemy units. Requisition is produced by the headquarters and captured points, which then can be further upgraded. Each can be recruited, utilized or constructed by builders using requisition points, scrap (for the Resistance) or energy (for the Combine). The objective is to survive as long as possible before the swarm overruns and destroys the Combine outpost.īoth factions have their own units, abilities and buildings. In the Overrun mode, the players, commanding Combine troops, work cooperatively to build defensive structures and purchase units and devices such as Hoppers and Turrets to defend their garrisons from never-ending, increasingly stronger waves of Antlions. In the Destroy HQ mode, the goal is to demolish the opponents' central buildings. The player wins the game in the Annihilation mode when every enemy building is destroyed and each hostile unit killed. The AI difficulty (easy, normal or hard) can always be set before starting the game. The mission maps are played from the point of view of the Rebels. In the standard skirmishes, players can choose to side either with the Combine or the Resistance additionally, the sandbox also features Antlions. AI) or multiplayer gamemodes (Annihilation, Destroy HQ (Competitive), Overrun, Sandbox), three singleplayer missions and a tutorial.
