42 Retro · Space games your group can play together online, including Outlive 25, Moros Protocol, and CM-SS13.
All games: 24
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.
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.
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.
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.
Paper Planet is a chaotic arcade roguelike for 1-4 players, with a Flash-inspired art style. Defend your planet from waves of bullet hell doodles attacking from every direction. Combine wacky items and break the game with absurdly overpowered builds!
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Fight the greatest battles in the STAR WARS universe any way you want to. The choice is yours.
Sign up to be a galaxy trucker today! An adaptation of Vlaada Chvátil’s award-winning board game is now on Steam. Already includes the ALIEN TECHNOLOGIES expansion!
This is the story of a fighter who wanted to become...
A new six-degree-of-freedom shooter with intuitive controls, amazing lighting and graphics. From the creators of Descent, Overload is the best zero-gravity robot-blasting combat ever.
Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.
The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!
Lead the great armies of the Star Wars™ Episode II: Attack of the Clones saga in intense real-time strategy clashes. Enter the fray as the Galactic Empire, Rebel Alliance, Wookies, Trade Federation, Gungans or Royal Naboo to determine the course of the Galactic Civil War.
DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.
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!
Jedi Knight: Dark Forces II picks up where the award-winning Dark Forces™ game left off...with even more features and firepower in dazzling 3D graphics. As Kyle Katarn, you must acquire a lightsaber and learn the ways of the Force to become a Jedi Knight.
A futuristic action game that challenges your agility as well as your aim, Ricochet features one-on-one and team matches played in a variety of futuristic battle arenas.
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.
Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
A SUPER throwback to the classic quarter eating arcade games of the 80's. Super Bit Blaster XL is an (even more) enhanced version of the retro styled, addictive, and fast paced arcade shoot 'em up!
The local multi-player space narwhal fighting game that has rocked the internet is finally ready for its big debut in a fully loaded release! Flop it out with 1-4 players in a retro, epic narwhal battle in space! The heart-piercing action is furious and unrelenting. STARWHAL will change your life.
8 KONAMI arcade classics of the 80s, from Nemesis to TwinBee. Including bonus eBook packed with new information never before revealed to the public.