Sci-fi Casual games to play together

84 Sci-fi Casual games your group can play together online, including VHOLUME, Rhythm Doctor, and Roadside Research.

All games: 24

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% positive of 3,875 reviewsPlaying now: 184$8

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% positive of 25,195 reviewsPlaying now: 70$19.99

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% positive of 4,096 reviewsPlaying now: 87$14.99

LOCKDOWN Protocol

A first person social deduction game, combining real time action and communication, playable up to 16 players. While most players will cooperate to complete objectives to ensure victory, a small portion of dissidents will try their best to stop them at all cost, without being caught.

84% positive of 16,725 reviewsPlaying now: 152$9.99

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% positive of 1,455 reviewsPlaying now: 16$14.99

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

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% positive of 1,002 reviewsPlaying now: 10$6.99

Feed the Reactor

An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.

81% positive of 672 reviewsPlaying now: 7$6.99

POPUCOM

Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover!

87% positive of 3,450 reviewsPlaying now: 110$19.99

Greedland

"Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!

83% positive of 2,985 reviewsPlaying now: 21$12.99

Marvel Rivals

Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!

74% positive of 424,579 reviewsPlaying now: 21,264Free

Toaster Arena

Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield.

90% positive of 804 reviewsPlaying now: 8Free

Among Us 3D

The definitive social deduction party game in three dimensions! Can the Crewmates survive, or will Impostors take over? Roles, Emergency Meetings, deception, sabotages, tasks: enjoy your favorite brand of chaos from the original Among Us with a 3D twist.

71% positive of 3,177 reviewsPlaying now: 16$9.99

Alpha League HD

Alpha League HD is a free-to-play, hero based Autobattler. In Alpha League, simply pick and build your favorite hero in a Roguelike fashion with 12 different combat genres, and then battle the other 7 Bots or Players to be the winner.

88% positive of 909 reviewsPlaying now: 3Free

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

Cluckmech Oasis

Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.

86% positive of 3,097 reviewsPlaying now: 143$9.99

Super Sus

Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard!

71% positive of 3,205 reviewsPlaying now: 259Free

Brotato

Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

94% positive of 112,559 reviewsPlaying now: 5,297$4.99

Entropy Survivors

Pilot a sword-swinging mech and a sharpshooting space frog at the same time in this bullet heaven roguelike. Throw empty shotguns, fire guns that shoot bees and build absurd combos across 20-minute runs: solo or in 2–4 player online co-op.

79% positive of 496 reviewsPlaying now: 2$9.99

STAR WARS™: Episode I: Jedi Power Battles™

Take back the Theed Royal Palace in this fast and furious lightsaber action game. You will have the power of the Force and your trusty lightsaber to help you ward off legions of battle droids, destroyer droids, assassins, and other creatures from Star Wars: The Phantom Menace.

78% positive of 365 reviewsPlaying now: 1$19.99

Starborne Frontiers

Starborne: Frontiers is a free-to-play tactical autobattler with hundreds of unique ships. Form your fleet, customize it with a variety of equipment, and use strategy to create the perfect battlefield formation. Take on bounties, engage in the PvP arena, and bring order to the Frontier.

66% positive of 318 reviewsPlaying now: 18Free

VAIL

Download VAIL and experience the #1, highest-rated VR shooter, with precision-crafted gunplay, stunning visuals, unparalleled combat, and a constantly expanding world of modes, maps, and community

73% positive of 3,573 reviewsPlaying now: 31Free

Backrooms: Escape Together

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

87% positive of 43,347 reviewsPlaying now: 288$6.99

Pixel Starships

Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.

73% positive of 3,034 reviewsPlaying now: 129Free