Shooter

DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.

Donuts 'N' Justice is a fast-paced 2d horizontal shoot-'em-up wherein you take the role of one of two Super Cops in the 1980s to defend their city against gangs, violence and corruption.

Battle Royale with crabs! Intense multiplayer action, with up to 100 players! Scrap, scavenge and slaughter your way to becoming the King of Crabs!

Catto Pew Pew! is a physics-based shooter game where competitive gameplay, proximity chat, and pure chaos collide. Shoot your opponents into the sky and claim your victory!

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Join dangerous raids for loot or intense PvP/PvE battles in this new realistic military shooter set in a fractured multiverse. Fight in quantum-unstable zones for control of active matter - the substance that bends time and space.

Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.

Join the battle in Cube Conflict, a free and open-source FPS game where dumb smileys are locked in a never-ending war... Expect the unexpected as you face off against a ninja wielding a GAU-8 or priests wielding nuclear missiles and power armor. Download now and join the fight!

A fast paced multiplayer dogfighting game that focuses on creative weapons and game mechanics that reward skillful flying.

Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.

You are lost in the depths of a gas giant mining station where things have gone very, very wrong. Move terrain to clear paths, launch enemies, and fling yourself skyward. Get ready to shoot a lot of robots and jump into the colorful clouds of Cloudbase Prime!

3D Twin-Stick Action game where bosses can roam from room to room in pursuit of the player. Samantha Kill is on a mission to take down Abaddon Inc. and their Bio-Mechanical Supersoldiers.