84 Retro · Sci-fi games your group can play together online, including Deadzoned, Outlive 25, and Feed the Reactor.
All games: 24
Deadzoned is a sci-fi turn-based action Roguelike. Blast your way through zones battling the beasts, bandits, and monsters that stalk the blackouts. But you'll need your wits to make best use of the gear you stumble upon to survive and save the fate of the planet!
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.
An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.
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.
NYC 2055: a city beyond salvation. Blast your way through this dense cyberpunk jungle in NEON INFERNO, an explosive fusion of 2D run-and-gun and gallery-shooter, and help the Family dominate its streets!
The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!
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.
The renowned Mega Man Battle Network series is back! Vol. 1 contains Mega Man Battle Network 1-3, including both versions of Mega Man Battle Network 3 for a total of four titles, plus additional features like a gallery of illustrations and music! In addition, online play is supported!
The renowned Mega Man Battle Network series, which has expanded into anime and comics, is back. Volume 2 includes six action packed games from both versions of Mega Man Battle Network 4 to both versions of Mega Man Battle Network 6, plus additional features like a gallery and online play!
Set on the earth and in space on July 14, 2520 A.D., the film explores the mystery of mankind's extinction. Various terrains become battlefields. Enemies attack from all directions. There are 23 bosses in total. Aim for a high score by making full use of score bonuses and level-up weapons!
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.
An RTS classic updated in 2026 for modern systems. Welcome to Hell, soldier, and mind the radioactive dust. Join one of two groups battling tooth, claw, tentacle, and any other appendage for survival in this post-nuclear real-time strategy game.
Updated in 2026 for modern systems, Krush Kill 'N Destroy 2: Krossfire is a fast and furious post-apocalyptic real-time strategy game where you have to be quick or be dead. Play as one of three unique factions in the struggle to seek out and conquer oil fields to fuel your army.
Mega Man Zero/ZX Legacy Collection brings together six classic titles in one game: Mega Man Zero 1, 2, 3 and 4, as well as Mega Man ZX and ZX Advent. The collection also features Z-Chaser, an exclusive new mode created just for this set of games.
Fight the greatest battles in the STAR WARS universe any way you want to. The choice is yours.
Travel to the remote planet of Bazoik to free galactic citizens from the evil cereal-eating Flemoids! Venture deep into the caverns of Bazoik, using an array of "zorching" devices to send these nefarious foes back to their home dimension!
SiN: Gold (1998) has returned! Free update for original owners!
BallisticNG is a high speed, all thrills anti-gravity combat racer and open modding environment developed as a tribute to old school classics such as Wipeout, Rollcage and Jet Moto.
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...
ToeJam & Earl: Back in the Groove! is a mash-up of the very best features of the classic console games with a ton of fresh improvements! Explore Earth as funky aliens from planet Funkotron trying to find your missing ship pieces to get back home in this casual co-op roguelike.
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.