While leveling up, the players will unlock new weapons and items to use. After each mission, experience points are gained. īefore the mission, players can change their character's loadouts and offhand items. Each class has two selectable characters, differentiated by their abilities. The game is class-based, with players choosing from the roles of Officer, Special Weapons, Medic, and Tech. The game includes persistent statistics, unlockable equipment, and achievements. Players can choose from 40 different pieces of equipment, ranging from weapons like assault rifles to grenade launchers and offhand items like mines and healing beacons. Gameplay Īlien Swarm is a top-down shooter, where four players can join a single co-operative game, the aim of which is to progress through science fiction-themed levels while eliminating waves of aliens. It is a remake of a mod for Unreal Tournament 2004, and it was developed by the original team, who were hired by Valve during the course of the development process. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.Alien Swarm is a multiplayer top-down shooter video game developed by Valve. 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.Īlong with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. With your friends, form a squad of four distinct IAF Marine classes. Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.Īvailable free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

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