可以和朋友在线一起玩的免费开玩（Cold War）游戏共 11 款，包括Operation: Harsh Doorstop、3 Days War和World of Warplanes。
全部游戏: 11
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by developers of the cancelled Project Reality 2 project.
3 Days War is a unique multiplayer strategy war game. Integrating the mechanics of RTS+4X, it allows dozens of players to engage in a three-day real-time strategy competitionon. Commanders, use your skills, strategies, games and even deception to become the ultimate winner!
World of Warplanes is an aerial combat MMO action game set in the Golden Age of military aviation. The game throws players into a never-ending battle for dominance of the skies.
Clash with global players in this epic real-time strategy game!
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.
Desert Bus is back and better than ever! The 1998 Penn and Teller cult hit mini-game is coming to virtual reality, so you can fully immerse yourself in the thrilling eight-hour trip from Arizona to Nevada. It’s almost like you’re driving the “wheel” thing!
A classic-style hardcore dynamic shooter which takes place in a science underground center.
Enjoy a fun, grid tapping game that gets faster the more you play. See how long you can last tapping the flashing buttons. Now with a bunch of fun skins!
Bung Ball is a of game the which that if you of in the ball out with it ability then that for other which players to arena off and win.
Trapped in a sinking submarine, two players must communicate through walkie-talkies to solve puzzles, complete tasks, navigate the depths, and escape before time runs out.
A deceptively simple, post-apocalyptic style card game that you can play both online and offline!