Some commands may first require you enabling svcheats. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine. Launch the game From the main menu select Options Select the Keyboard tab Click the Advanced button Check the box next to Enable developer console ( ) Click Apply Notes Press to open the console. 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. System Requirements Minimum: OS: Windows® 7 / Vista / Vista64 / XP Processor: Pentium 4 3.0GHz Memory: 1 GB for XP /.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. The game is absolutely free-of-charge and offers both single and co-operative (up to 4 players) experience. The whole loadout can also be selected before starting the mission. Each type has two characters with different abilities. As the game is class-based, players are able to choose between 4 types: Officer, Special Weapons, Medic, and Tech.

The main gameplay idea is in completing levels in science-fictional locations and eliminating waves of Swarm aliens with all kinds of weapons to get new equipment and to unlock individual achievements. After finding no civilians alive, the group realizes that the only way out is planet devastation with a powerful nuclear bomb. They aim to search for survivors or, if needed, to destroy the colony to prevent the spread of hostile aliens.

According to the main storyline, a group of troopers reaches the colonized planet occupied by the swarm of invasive aliens. Alien Swarm is a top-down multiplayer shooter remade from the game mod for Unreal Tournament 2004.

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