Sci-fi

Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!

The legendary action-shooter finally comes to PC, and in style! Blast your way through mind-melting visuals and amazing beats, all in your quest through cyberspace to save a world on the verge of collapse. Playable on your desktop or in fully immersive VR.

A first-person fight to the death in the depths of space!

When you awake, you find yourself in a mansion, where was the secret research center, is now a maze full of horrible zombies and deadly traps. You'll have to escape by overcoming your fears, collecting items, solving innovative puzzles and revealing the cruel truth.

Knights Within is a hack&slash horde shooter with roguelite elements. Design custom loadouts, navigate procedurally generated levels and utilize random power-ups. Either solo or with friends, can you survive endless waves of enemies to ensure humanity's survival?

Explore a warped Manhattan on the brink of paranatural annihilation in this thrilling action-adventure RPG. Unleash the extraordinary powers of Dylan Faden as he fights for his humanity and our survival against a reality-bending cosmic threat.

Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.

Loot, level up, and obliterate everything in your path. Astroloot is a sci-fi bullet heaven with deep ARPG systems, featuring a massive skill tree, deterministic crafting, and near-endless build possibilities.

Cut robots apart in VR. Feel your sword disintegrate their metal bodies. Now you live and die in the Crashloop, a roguelike tournament to the death. Lock swords! Shoot shurikens from your wrist! This is CLONE DRONE... in the HYPERDOME!!!

One of the greatest sci-fi strategy games of all time returns with remastered visuals, online multiplayer and near unlimited mod content from Steam Workshop. Experience thrilling first person action and acclaimed RTS in this explosive alternate vision of the 1960s space race.

Set 50 years after the climactic events of the original Red Faction, Red Faction: Guerrilla allows players to take the role of an insurgent fighter with the newly re-established Red Faction movement as they battle for liberation from the oppressive Earth Defense Force.

Fight and tame alien beasts, craft resources into menacing weaponry, befriend the outlandish locals, and go toe-to-chin with a world-domineering maniac.