Winter!: Prepare for holiday gaming!
for a free game, this is one incredibly fun sci-fi creation, building on steam's co-op capabilities, which gives it immersive replay value, making it an awesome return-back platform. given its free access to the game's sdk, enriches the experience even further, adding various creative production of new game content based on valve's source engine.
what would u need more from a top-down squad-based shoot 'em up action game? valve did a great job piercing to gamers globally with this free content.
Game Traits applied to Alien Swarm (PC) by goodone