41 Action · Futuristic · Space games your group can play together online, including Planet Killer, Angels Fall First, and Outlive 25.
All games: 24
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.
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!
Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.
Procelio is a multiplayer vehicle builder/shooter set amidst a proxy war on the red planet. Build and refine your custom machines from orbit, then pilot them in a distant war against CPU and enemy players.
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.
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!
The year is 2182, but the engine is from 2003. Join the Falling Falcons in a massive tactical deathmatch RP fest held together by spaghetti code and duct tape. Build bases, perform surgery, or evolve as the Hive. It's laggy, it's complex, and it is the most fun you will have dying in space.
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!
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.
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.
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.
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.
Enter the Rhythm Dimension. A homage to classic arcade rhythm games (Guitar Hero, DDR), with a modern aesthetic and soundtrack. Match colours and beats, spin, tap, flick and flow through the juiciest beats in the universe. Supports multiple control styles including MIDI DJ gear on Steam!
QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
TRIBES 3: Rivals is a team-based first person shooter that elevates the genre with jetpacks, skiing, and class-based warfare. Teamwork, tactics, high speed, and intense combat are supreme in this rebirth of the world’s fastest shooter.
The cult game that marked MercurySteam's origins returns; a sci-fi adventure with memorable characters, powerful ships and humor! Enjoy intense Multiplayer battles and races with ships you build.
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.
Space. Ships. Resources. Trading. Production. Combat. Mine ore, haul cargo, and find profitable trade routes. Buy and capture ships, build your fleet, construct stations, and develop your production. Start with your first ship. Build your empire!
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.
Infinite Warfare delivers three unique game modes: Campaign, Multiplayer, and Zombies.