可以和朋友在线一起玩的Alternate History · Sci-fi游戏共 15 款，包括Chrono CCG、Solar Nations 2和NEBULOUS: Fleet Command。
全部游戏: 15
Rewrite history in a free-to-play card battler built for competitors. Shift the Timeline to change the rules for both players, Immortalize your agents into their ultimate forms mid-match, and win deliberate, skill-first duels. Made by CCG champions, creators and community leaders.
In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions!
A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+
Scythe transports you to an alternate reality in 1920s Europa, one ravaged by the First World War. Take up the role of leader by assuming command of one of 5 factions, and set out to conquer the coveted "Factory". Lead your mechs to war and your people to victory!
Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid.
Dominance is a multiplayer top-down shooter, built on a no-limits attitude. Choose between a rich variety of different ability and item combinations, select one of 6 distinct characters. Battle up to 24 foes on the ever-evolving terrain — and prove your Dominance.
Defend America from an alternate-universe America using state-of-the-art 1980s military hardware in this intricate and tactical turn-based strategy game.
Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?
The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.
FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players. Load the torpedoes, dodge incoming fire, and eliminate the enemy.
FEAR OF FAITH is a 1-4 player co-op survival horror game where cloned soldiers raid cursed WWII bunkers. Choose your class, combine spells and drink BEER to keep your FEAR away, or face a fate worse than DEATH
Millions of players worldwide have flown, built, and fought their way through Captain Forever. CF Trilogy brings Captains Forever, Successor, and Impostor to Steam with a beautiful new renderer, new modules, and a reimagined world written by acclaimed novelist Cassandra Khaw.