Guerrillas.io
Controls:
Guerrillas.io is a fast paced online FPS that offers exhilarating player-versus-player battles across a variety of maps. The game features several classic game modes, including Free for All, Capture the Flag, Team Match, Gun Game (where you start with a pistol and your weapon changes with each elimination), and Arcade Doom (featuring chaotic matches with grenade launchers). You can jump into quick matches that blend bots and real players, or create your own games with custom rules. The armory is extensive, boasting numerous unlockable weapons, protections, perks, emotes, and messages.
Controls:
WASD: Move
Mouse: Aim / Shoot
Space: Jump
Shift: Run
C: Crouch