Thirteen classes, seven official modes, five maps — and you're in a match within seconds. Kour.io is a multiplayer first-person shooter that runs entirely in your browser, giving you the class variety and mode depth of a standalone FPS without any download. Pick a class, learn its weapon, and start earning KP to climb the leaderboards.

Play this free browser game on PLRun right now. Kour.io is a free online .io FPS developed by Legion Platforms, released in March 2024. It stands out from other browser shooters because of its class system — each of the 13 characters carries a different primary weapon with distinct HP values, meaning class selection directly shapes how you engage in every firefight.

A 150 HP Heavy with a machine gun plays nothing like a 80 HP Recon running a Vector submachine gun, and recognizing which class suits a given map and mode is half the battle. The game offers seven official modes ranging from Free For All and Team Deathmatch to more unusual options like MoonSnipe (low-gravity sniping) and KourSurf (surfing combined with shooting).

A built-in map editor lets players create custom arenas, and community-created modes like KourCraft expand the experience further. Progression runs on KP (Kour Points), earned through kills and missions, which unlock cosmetics, crates, and emotes. Clan support and daily, monthly, and all-time leaderboards give long-term players a competitive ladder to chase.

As an HTML5 game, it loads directly in your browser on both desktop and mobile. Move with WASD, jump with Space, and shoot with Left-click. Aim down sights using Right-click for tighter accuracy at range. Crouch with Shift or C to reduce your profile and improve stability.