Action · Singleplayer · Space games to play together

118 Action · Singleplayer · Space games your group can play together online, including Mycopunk, Mega Man Star Force Legacy Collection, and Astro Colony.

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

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

Astro Colony

Astro Colony throws you into an endless Universe of exploration, automation and survival! Build interconnected colonies, alone or with friends, and turn planets into thriving industrial hubs! Design conveyor systems and take care of your Astronauts as you expand your intergalactic empire!

80%80% positive of 2,436 reviews189Playing now: 189$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

ERA ONE

Start with your Command Center and expand it into a colossal modular flagship, module by module. Design custom warships from the ground up, grow a thriving civilization, and command powerful fleets across the Solar System in tactical real-time battles.

87%87% positive of 1,611 reviews45Playing now: 45$29.99

Aliens: Fireteam Elite 2

This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.

60%60% positive of 3,785 reviews166Playing now: 166$39.99

Directive 8020

Earth is dying and humanity is running out of time. 12 light years from home, Tau Ceti f offers a small sliver of hope. When the colony ship Cassiopeia crash lands on the planet, its crew soon realize they are far from being alone. In space, death takes many forms.

63%63% positive of 1,376 reviews60Playing now: 60$33.49

Revenge of the Savage Planet

Revenge of the Savage Planet is an upbeat, satirical action adventure Sci-Fi. Jump, shoot and collect your way across vibrant alien worlds, uncovering new gear and upgrades, while discovering various hidden secrets.

85%85% positive of 2,885 reviews31Playing now: 31$29.99

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%81% positive of 771 reviews7Playing now: 7$24.99

Warhammer 40,000: Space Marine 2

Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.

84%84% positive of 173,626 reviews14.7KPlaying now: 14,724$59.99

Astroloot

Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.

91%91% positive of 597 reviews10Playing now: 10$6.99

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%85% positive of 6,598 reviews144Playing now: 144$24.99

Cubic Odyssey

Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

74%74% positive of 2,416 reviews54Playing now: 54$9.99

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%79% positive of 29,763 reviews323Playing now: 323$29.99

Sixtar Gate: STARTRAIL

Sixtar Gate: STARTRAIL is a rhythm game for keyboard set against a space exploration backdrop. Captain your science vessel alongside your navigator Shii as you explore the vast Sixtar system!

86%86% positive of 1,424 reviews5Playing now: 5$24.99

Star Vortex

Star Vortex is a fast-paced Action-RPG inspired by classics of the genre. Design your ship, fight through hostile alien sectors solo or with friends, salvage rare weapons and experiment with powerful builds until nothing can stand against you.

84%84% positive of 159 reviews1Playing now: 1$24.99

HELLDIVERS™ 2

The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.

75%75% positive of 849,830 reviews46.6KPlaying now: 46,635$39.99

Risk of Rain Returns

Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!

89%89% positive of 24,859 reviews230Playing now: 230$14.99

Classic Marathon Infinity

From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.

88%88% positive of 288 reviews3Playing now: 3Free

Classic Marathon

From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.

90%90% positive of 1,304 reviews5Playing now: 5Free

Classic Marathon 2

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

92%92% positive of 428 reviews2Playing now: 2Free

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%78% positive of 365 reviews1Playing now: 1$19.99

SENTRY

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

82%82% positive of 863 reviews5Playing now: 5$19.99

Executive Assault 2

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

81%81% positive of 1,605 reviews10Playing now: 10$24.99

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