OpenGL port of the classic 6dof 3D shooter Descent
2d turret shooter
Space shooter style game arcade version - Games/Entertainment Software
A Kobo Deluxe like game for the Commodore 64
Side scrolling shoot'em up game
A fun realistic multiplayer free-and-open-source first-person-shooter!
A retro multiplayer shooter
A shooter game.
A first person multiplayer shooter example project in Unity
A Marathon (first-person shooter) engine with enhanced features
A Java light, open source first person shooter,with editors.
Place where to find modifications and add-ons for the Arma franchise.
Fly around an island casting spells, summon monsters, collect mana, a
first person shooter, space invader
A 2d action shooter game. Split screen for up to 4 players.
One Shooter, Overblown, An Asteroids-esque game that never ends.
Zombie Shooter
Open source first/third person shooter set in real world locations
Free Star Wars tactical shooter with stealth-action elements
Wolfenstein: Enemy Territory game
Shooter futurista