Krunker.io – Free Online FPS Action Krunker.io is a fast-paced, browser-based, free-to-play first-person shooter (FPS) game. With its low system requirements and pixel-style visuals, Krunker lets you jump into online battles instantly without any downloads. Whether you're a competitive FPS player or just looking to have fun, Krunker.io offers a constantly fresh experience with its wide variety of classes, weapons, and user-generated maps. How to Play You can instantly join a battle by entering a game lobby or explore different modes through custom servers. Similar to classic FPS games like Counter-Strike, success in Krunker relies on quick reflexes, precise aim, and strategic positioning. Controls WASD: Move Left Click: Shoot R: Reload C: Aim / Zoom Space: Jump Shift: Crouch F: Spray paint Classes & Weapons There are 11 different classes to choose from, each with a unique playstyle, appearance, and weapon loadout. Popular classes include: Triggerman (Assault Rifle) Hunter (Sniper Rifle) Runner (Knife only, very fast) Rocketeer, Agent, Bowman, and more. Weapons include: Assault rifles Sniper rifles Shotguns Pistols Special weapons like dual Uzis Maps & Game Modes Krunker.io features hundreds of maps created by both developers and players. These maps range from lava-filled arenas to ancient pyramid landscapes. Game modes include: Free For All (FFA) Team Deathmatch Capture the Flag Parkour & Race Modes Custom modded games Tips for Beginners Try out different weapons to find your best fit Keep moving—standing still makes you an easy target Practice aiming with zoom for precision Explore custom user maps Play regularly to improve your reflexes and aim Platforms Krunker.io is available on: Web browsers (no download required) iOS and Android mobile devices Steam (since 2021) Thanks to its lightweight design, Krunker runs smoothly on nearly any device. Developer & Community Developed by Sidney de Vries, Krunker.io receives regular content updates, events, and new features. Its active community and user-generated content mean there’s always something new to discover in the game.