Mycopunk
Cut through fungal aliens in this hyper-customizable, mission based looter shooter. Hundreds of hand-crafted upgrades, 4-player co-op, and a little roach man. What’s not to love?
88% positive of 4,600 reviewsPlaying now: 1,762$7.49
Combat · Sci-fi games to play together
120 Combat · Sci-fi games your group can play together online, including Mycopunk, Far Far West, and Cyberfrags '69.
All games: 24
Far Far West
Yee-haw, Cowboys! Team up in this chaotic 1-4 player co-op shooter. Journey to the Far Far West to blast monsters, sling spells, complete missions, and collect bounties. Work as a team to get in, get paid and get out (mostly) alive.
95% positive of 32,810 reviewsPlaying now: 4,694$15.99
Cyberfrags '69
Move fast and shoot fast in Cyberfrags '69. Double jump, wall-run, and blast your way to victory in intense PvP and Co-Op, or play as Cyber-Frank as he slaughters the Cyber-Nazis invading his home!
95% positive of 164 reviewsPlaying now: 6Free
Down with the Ship
Strategic auto battler where you design a heavily-armed spaceship. Draft 200+ items, outfit your hull, and unleash it in async PvP. Blend captains and factions for absurd combos and galactic domination. Roll, buy, place, pray.
93% positive of 861 reviewsPlaying now: 44$14.99
Planet Killer
A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.
83% positive of 136 reviewsPlaying now: 20$12.99
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: 75,592$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
Angels Fall First
From commanding the battle standing on the bridge of your flagship all the way down to tactical infantry firefights - AFF brings together all the combat you ever loved in a rich science fiction setting. Boarding, pilotable capital ships, deep weapon customization and full Bot support included!
80% positive of 3,893 reviewsPlaying now: 20$17.99
Inferno Protocol
A survival horror set in a massive maze. Play solo or 6-player co-op. Scavenge resources to craft gear and survive against terrifying enemies. Unlock unique abilities and find the exit.
77% positive of 195 reviewsPlaying now: 11$9.44
Granvir
Granvir is a 3rd person action roguelite mech-builder with co-op multiplayer. Scavenge the battlefield for parts to replace and upgrade your Granvir and weaponry. PIlot your Granvir and manage your campaign between battles to find the best equipment and stay supplied while fighting a guerilla war.
91% positive of 938 reviewsPlaying now: 92$14.99
Jump Space
Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.
85% positive of 11,474 reviewsPlaying now: 186$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
SpaceCraft
The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.
62% positive of 2,713 reviewsPlaying now: 317$29.99
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
The Bazaar
The Bazaar is a fast-paced multiplayer Roguelike where every run is a new puzzle. Choose from unique heroes, uncover powerful combos, and outwit your opponents in a dynamic, ever-changing marketplace. Play at your own pace while discovering endless ways to win.
69% positive of 15,327 reviewsPlaying now: 3,620$19.99
Moros Protocol
Face the darkness in Moros Protocol, a pixel-painted sci-fi FPS roguelite. Survive the nightmare alone or with allies as you navigate the decaying warship, stalked by horrors and guided by a voice you don’t recognize. Adapt, upgrade, and push forward. You may be outnumbered, but not outmatched.
81% positive of 771 reviewsPlaying now: 7$24.99
BattleGroupVR2
BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of your flagship. Explore, mine, trade, hunt. Grow your fleet, upgrade your ships, train your captains, and battle the enemy from the captain's chair.
84% positive of 219 reviewsPlaying now: 3$24.99
FragPunk
FragPunk is a thrilling 5v5 hero shooter where Shard Cards allow you to break the rules of combat and ensure that no two rounds are ever the same. Get ready to unleash your skills!
74% positive of 51,074 reviewsPlaying now: 725Free
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
GODBREAKERS
Fast, Fluid, Frenetic! Break gods, steal powers, and chain abilities in a hectic combat loop. This 1-4 player co-op action roguelite is built for fast pick-up sessions and endlessly replayable chaos. Experience tough battles and maximum expression where every run feels rewarding!
69% positive of 829 reviewsPlaying now: 12$19.99
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
Starship Troopers: Extermination
Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
79% positive of 29,763 reviewsPlaying now: 323$29.99
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