703 Sci-fi games your group can play together online, including Original War, The Red Solstice, and Ikaruga.
All games: 24
Join an online or LAN team match in Original War, where named specialists, base building, and map-specific rules turn a retro RTS into a hands-on group effort.
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!
Outplay your opponent with simultaneous turns and commander-driven deck-building in a fully free-to-play PvP experience. Build your deck from 1000+ cards across 8 unique factions, and face opponents on a truly level playing field. In Infinity Wars, skill is the only factor that determines victory!
Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!
Experience the insane antics of Saints Row IV. The Saints have gone from the Penthouse to the White House - but Earth has been invaded and it’s up to you to save it with an arsenal of superpowers and strange weapons, in the wildest open world game ever.
Build ships, stations, and factions with friends in StarMade’s online voxel sandbox. Create your own goals across a generated universe, with server-based co-op and PvP.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
Set on Mars in an alternate Cold-War era, Super Motherload is a 1 to 4-player couch co-op digging adventure with storyline by Image Comics' Kurtis Wiebe, a fully voiced cast of Soviet and American characters, and a procedurally-generated world that changes each time you play.
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
Sanctum 2 combines tower-defense building and first-person shooting in an online campaign for up to four players. You and your friends protect oxygen-producing Cores through waves, character loadouts, and optional survival runs.
Gunpoint is a stealth puzzle game that lets you rewire its levels to trick people. You play a freelance spy who takes jobs from his clients to break into high security buildings and steal sensitive data.
Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it?
Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!
In PixelJunk™ Shooter, you must pilot your spacecraft through a range of cavernous environments in a bid to save the scientists trapped underground. Making your way through the game will rely on your keen sense of observation and the ability to manipulate your surroundings.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
Defend generators, buy upgrades between waves, and bring up to four friends into the original five-player co-op modes of ORION: Prelude.
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
Multiplayer is designed for up to ten players, with online and LAN co-op or PvP modes; build empires together against AI rivals and choose from six factions and several match endings.
Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
Join up to two friends for a 3v3 platforming MOBA, push through droid lanes, and break the rival team’s base in Awesomenauts.
The legendary Space Hulk returns in this epic turn based strategy game. Set in the Warhammer 40,000 universe, an intriguing story of legendary battles and heroic actions unfolds.
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.