AI Olympius
Join the rebels in a third-person shooter with RPG elements and base-building mode. Fight against various combat drone models under the control of the supreme AI.
89% positive of 228 reviewsPlaying now: 109$14.99
Character Customization · Sci-fi games to play together
100 Character Customization · Sci-fi games your group can play together online, including AI Olympius, Marathon, and Schrodinger's Cat Burglar.
All games: 24
Marathon
Explore the lost colony of Tau Ceti IV, scavenging valuable loot in a high-stakes survival first person shooter from the creators of Halo and Destiny.
80% positive of 45,473 reviewsPlaying now: 3,479$39.99
Schrodinger's Cat Burglar
Portal with cats - Become entangled in a quantum puzzle adventure! Mittens gains the incredible power to be in two places at once. Explore twisted test chambers, make mischief and evade capture by a whisker! 🐈🐈⬛
97% positive of 643 reviewsPlaying now: 11$19.99
ARC Raiders
ARC Raiders is a multiplayer extraction adventure, set in a lethal future earth, ravaged by a mysterious mechanized threat known as ARC.
82% positive of 308,140 reviewsPlaying now: 70,368$39.99
Zombie Assault: Resurgence
Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.
67% positive of 155 reviewsPlaying now: 980
Roadside Research
Roadside Research is a 1 to 4 player co-op gas station simulator. Except you’re aliens. And undercover. Do very human things like restocking shelves while preparing for the invasion. Just don’t get caught.
85% positive of 4,096 reviewsPlaying now: 87$14.99
John Carpenter's Toxic Commando
Pick a character and team up with three friends ‘cause it’s time to save the world. Experience intense FPS action as you obliterate hordes of terrifying monsters! You may not be on the best team of mercenaries, but you are… a Toxic Commando!
71% positive of 6,410 reviewsPlaying now: 139$19.99
Age Of Warbots
A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!
83% positive of 167 reviewsPlaying now: 7$9.99
Aliens: Fireteam Elite 2
This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.
60% positive of 3,785 reviewsPlaying now: 166$39.99
Kingdom of Night
Hunt down nightmarish demons and save the town of Miami, AZ in this 80s-themed, isometric action-RPG. With an expansive, interconnected map and open-ended quests, explore freely while unraveling the main story. Kingdom of Night is a unique blend of coming-of-age drama, cosmic horror, and true love.
86% positive of 337 reviewsPlaying now: 6$19.99
M.A.S.S. Builder
Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
84% positive of 3,737 reviewsPlaying now: 10$17.49
Out of Action
A fast-paced PvP FPS built around skill-based movement and deep build crafting, with cinematic, high-intensity combat set in a brutal cyberpunk world inspired by 90s anime.
76% positive of 929 reviewsPlaying now: 7$19.99
Dune: Awakening
Dune: Awakening is a single- and multiplayer Open World Survival game with immersive adventure and RPG gameplay. Explore, build, craft, and unravel a cinematic Dune story as you rise from survival to greatness on the most legendary planet in the universe. Just remember: the sandworm always comes.
71% positive of 69,038 reviewsPlaying now: 12,322$49.99
Infinity: HexaDome Tactics
Discover the story of the Aristeia world in single-player or storm into PvP battles! Turn-based battles, 12 heroes, varied arenas, deckbuilding with dozens of tactical cards. Assemble the perfect team, use hundreds of insane combos, and become HexaDome champion. And bring a friend!
74% positive of 121 reviewsPlaying now: 1$17.99
BREAK ARTS III
With your uniquely crafted mech, dominate both the track and the battlefield. Fight your way through countless battles and aim for ever greater heights! This installment of BREAK ARTS is the ultimate Comprehensive Mech-Customizing Competitive Sport.
79% positive of 348 reviewsPlaying now: 11$17.99
Warhammer 40,000: Speed Freeks
High-orktane combat racing in the Warhammer 40,000 universe! Drive buggies, tanks and helicopters, mastering advanced movement and explosive weaponry online or against bots. Unlock gear, customize your rides and use the NEW Creation Workshop to create, share, and play custom maps from the community!
84% positive of 497 reviewsPlaying now: 10$19.99
Void Crew
Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!
85% positive of 6,598 reviewsPlaying now: 144$24.99
Into Black
Explore, mine, craft, & fight for survival in the dark depths of this solo or co-op VR action adventure.
85% positive of 127 reviewsPlaying now: 2$14.99
Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
87% positive of 3,994 reviewsPlaying now: 17$4.94
Daemon X Machina: Titanic Scion
Feel the exhilaration of fast-paced combat in your fully customized armored suit as you freely explore a deadly and dangerous world on land or in the air. Take on titanic boss battles with alone or with up to two other friends in online co-op!
62% positive of 1,861 reviewsPlaying now: 48$69.99
MechWarrior 5: Clans
In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.
73% positive of 5,646 reviewsPlaying now: 241$29.99
Nano Neighbors
A cozy online incremental idle game you can play with your friends at the bottom of your screen. Customise, play mini games, earn & spend!
74% positive of 116 reviewsPlaying now: 1$7.99
Avatar: Frontiers of Pandora™
Avatar: Frontiers of Pandora™ is a third and first-person action-adventure game set in the Western Frontier. Reconnect with your lost heritage and discover what it means to be Na'vi.
77% positive of 15,296 reviewsPlaying now: 1,275$29.99
Mecha BREAK
Squad up in Mecha BREAK, a multiplayer third-person shooter offering three intense game modes filled with ground and aerial combat. Pilot your Striker into the breach and neutralize enemies. Are you ready for the ultimate showdown?
60% positive of 29,475 reviewsPlaying now: 259Free