Steam免费射击游戏：Alien Swarm

unitebill

　　最近，Steam平台上发布了一款免费网游：《Alien Swarm》，全球可玩。

　　游戏在Steam平台上免费发布，不用求种，自己愿意玩去Down就可以了。

　　安装网站：http://store.steampowered.com/app/630/

　　有个Steam帐户就可以直接下了。

Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community. 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. With your friends, form a squad of four distinct IAF Marine classes.

　　关于游戏

Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.

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. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. 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.

Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.

■Tactical, 4 player co-op action game with a top-down perspective
■Complete game code and mod tools
■Unlock persistent items by gaining levels
■Over 40 weapons and equipment with countless loadout configurations
■4 unique classes and 8 unique characters
■Matchmaking, Steam Cloud, Steam Stats
■64 achievements
■Tile-based map generation tool
■Powered by Source and Steam

　　系统要求

Minimum:

OS: Windows® 7 / Vista / Vista64 / XP
Processor: Pentium 4 3.0GHz
Memory: 1 GB for XP / 2GB for Vista
Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
Hard Drive: At least 2.5 GB of free space
Sound: DirectX 9.0c compatible sound card

Recommended:

OS: Windows® 7 / Vista / Vista64 / XP
Processor: Intel core 2 duo 2.4GHz
Memory: 1 GB for XP / 2GB for Vista
Graphics: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
Hard Drive: At least 2.5 GB of free space
Sound: DirectX 9.0c compatible sound card