26 Level Editor · Sci-fi games your group can play together online, including Rhythm Doctor, Warhammer 40,000: Dawn of War - Definitive Edition, and Age Of Warbots.
All games: 24
Save patients with your rhythm mastery! Rhythm Doctor is a rhythm game where you heal patients by defibrillating in time to their heartbeats. Learn each patient's unique heartbeat and defeat boss viruses trying to sabotage your rhythm, all set to heart-pumping, soul-soothing music.
Warhammer 40,000: Dawn of War - Definitive Edition is the ultimate Dawn of War experience, featuring the original Dawn of War and all its expansions, along with enhanced visuals, an improved camera, and 64-bit platform support.
A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!
You are the Buggo Hivemind. In this low-micro swarm RTS you place spawners, set attack pins and send up to 5,000 bugs into the dirty Humans' walls and turrets. Evolve your swarm across a 45-mission campaign, then take it into Survival, Workshop maps or 4-player online battles.
Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your stronghold against relentless attacks. Team up with a friend or fight alone in this action packed block builder, where only the strongest survive.
Fly near-future aircraft with immersive physics across dynamic battlefields, facing land, air, and sea threats. Wage war against AI or rival pilots using an array of advanced weaponry, including tactical and strategic nuclear weapons capable of annihilating anything in your path.
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
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.
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
An open-ended factory management game with RTS and tower defense elements.
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.
Distance is an atmospheric racing platformer. Fusing futuristic arcade racing with parkour, survive a deadly, mysterious, neon-drenched city by jumping, rotating, and flying.
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Shoot first, eat cheese later! Jump into a fast, frenetic and exciting one-hit, one-kill FPS arena shooter with a totally level playing field, tonnes of maps, customisation and a robust map editor!
A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?
Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
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.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Prove you are the world's greatest swordsman! Engage in tactical 1 vs. 1 sword fighting, 2 vs. 2, or sandbox FFA, or capture Control Points in a tactical slash-em-up.
Unleash your combat prowess in Master Arena: Immerse yourself in the pulse-pounding FPS action featuring dynamic movement, 9 powerful weapons, 24 unique arenas, and a strategic perk system. Engage your adversaries with finesse in tactical duels, evolving to claim the title of the ultimate champion.
TimeShifters is an old school first person shooter inspired by games like TimeSplitters and GoldenEye.
Parcel is a brain-twisting puzzle game where unique character abilities are used in unison to solve interlocking laser conundrums. Switch between members of your colorful team of postpeople and make your way through over 120 futuristic mind-benders!