Lambda Wars features full-fledged RTS gameplay and a robust RTS interface and is focused on multiplayer but strategic AI opponents and dedicated singleplayer missions are also included.

Lead the uprising as a commander of the Resistance or crush the rebellion as an overlord of the Combine, with both factions featuring a full host of units, abilities, buildings, research and defenses.

Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.About This Game Lambda Wars is a free multiplayer Source Engine modification for Alien Swarm set in the Half-Life 2 universe that brings the war between mankind and their brutal Combine overlords to a traditional real-time strategy (RTS) setting. Alien Swarm: Reactive Drop Tactical, 8 player co-op action game with a top-down perspective Alien Swarm Reactive Drop Play now for free Reactive Drop Latest updates Update An update has been released containing the following changes: Accident 32: Confined Facility and J5 Connector: Reduced networking overhead from minecarts. Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet’s surface, to a subterranean lava-flooded mining facility. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Alien Swarm is available free of charge on Steam. Game is supposed to be played as 4 player online co-op but it's also possible with 2 players. With your friends, form a squad of four distinct IAF Marine classes. Alien Swarm is a free top-down perspective shooter. Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.

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