Sci-fi · Singleplayer games to play together

427 Sci-fi · Singleplayer games your group can play together online, including Mycopunk, STAR WARS: Galactic Racer™, and VHOLUME.

All games: 24

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%88% positive of 4,600 reviews1.8KPlaying now: 1,762$7.49

STAR WARS: Galactic Racer™

STAR WARS: Galactic Racer™ is a ​runs-based, ​high-stakes reinvention of racing born in the lawless Outer Rim. With the Empire gone and the galaxy rebuilding, The Galactic League is created: an underground, unsanctioned circuit where syndicates bankroll chaos and champions are forged.

86%86% positive of 6,887 reviews6.8KPlaying now: 6,848$59.99

VHOLUME

VHOLUME is a melancholic first-person parkour adventure set in a dystopian brutalist city where bureaucracy turns a simple task into an odyssey.

97%97% positive of 3,875 reviews184Playing now: 184$8

Subnautica 2

Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

90%90% positive of 118,641 reviews2.1KPlaying now: 2,064$29.99

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%89% positive of 228 reviews109Playing now: 109$14.99

Gears of War: E-Day

Experience Emergence Day – the brutal origin story of one of gaming’s most acclaimed third-person shooter franchises.

71%71% positive of 10,667 reviews11.2KPlaying now: 11,240$69.99

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%95% positive of 164 reviews6Playing now: 6Free

Mega Man Star Force Legacy Collection

The Mega Man Star Force series, which expanded into an anime, is back in the Mega Man Star Force Legacy Collection! This collection includes seven games and additional features like a gallery of illustrations and music! Online play is also supported!

95%95% positive of 671 reviews42Playing now: 42$29.99

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%97% positive of 643 reviews11Playing now: 11$19.99

Rhythm Doctor

Save patients with your rhythm mastery! Rhythm Doctor is a rhythm game where you heal patients by defibrillating in time to their heartbeats. Learn each patient's unique heartbeat and defeat boss viruses trying to sabotage your rhythm, all set to heart-pumping, soul-soothing music.

97%97% positive of 25,195 reviews70Playing now: 70$19.99

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%80% positive of 3,893 reviews20Playing now: 20$17.99

Deadzoned

Deadzoned is a sci-fi turn-based action Roguelike. Blast your way through zones battling the beasts, bandits, and monsters that stalk the blackouts. But you'll need your wits to make best use of the gear you stumble upon to survive and save the fate of the planet!

96%96% positive of 103 reviews3Playing now: 3$4.99

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%85% positive of 4,096 reviews87Playing now: 87$14.99

StarRupture

StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.

80%80% positive of 12,566 reviews1.1KPlaying now: 1,145$19.99

33 Days till Extraction

33 Days till Extraction is a top-down sci-fi action RPG shooter with roguelike progression. Harness brutal firepower and necromantic skills to survive.

83%83% positive of 102 reviews6Playing now: 6$17.99

Blossom: The Seed of Life

Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.

87%87% positive of 1,056 reviews28Playing now: 28$16.99

Heroes of Science and Fiction

A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.

89%89% positive of 865 reviews17Playing now: 17$29.99

Desynced

Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

79%79% positive of 1,911 reviews63Playing now: 63$20.99

Warhammer 40,000: Dawn of War - Definitive Edition

Warhammer 40,000: Dawn of War - Definitive Edition is the ultimate Dawn of War experience, featuring the original Dawn of War and all its expansions, along with enhanced visuals, an improved camera, and 64-bit platform support.

84%84% positive of 12,564 reviews1KPlaying now: 1,043$13.99

KILL IT WITH FIRE! 2

KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.

92%92% positive of 1,455 reviews16Playing now: 16$14.99

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%91% positive of 938 reviews92Playing now: 92$14.99

Chrono CCG

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.

71%71% positive of 667 reviews36Playing now: 36Free

XF Extreme Formula

Race at the speed of sound and beyond in the great XF Extreme Formula championship! Taking place in the year 3000, you will tour trough the solar system proving you’re worthy of the title of champion.

88%88% positive of 387 reviews2Playing now: 2$11.99

Darkwater

Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.

77%77% positive of 1,002 reviews10Playing now: 10$6.99

More games