Krunker, also known as Krunker IO, is an extremely popular browser-based first-person shooter (FPS) developed by Yendis Entertainment and later acquired by FRVR. Since its launch in 2018, the game has attracted millions of players with its lightweight, diverse character classes, multiple game modes, and rich ecosystem of community-created maps and mods.
Gameplay Mechanics: Classes and Weapons
Class System
The game features 11 different character classes, including Triggerman, Hunter, Rocketeer, and Runner. Each character class offers a unique combination of primary and secondary weapons, making class selection an important part of strategy.
Weapons and Combat
Players can use various weapons, from assault rifles and sniper rifles to shotguns and double pistols. Each weapon has its advantages in range, damage, and accuracy, allowing players to adapt to different modes and play styles.

Game Modes, Maps, and Custom Content
Expanded Game Modes
Krunker includes more than 30 modes, such as
- Public Mode: Freestyle, Scorestreak, Capture the Flag, Kill Confirmed, Domination, Recharge.
- Group Mode: Gun Game, Sharp Shooter, Kranked FFA, Chaos Sniper.
- Community Mode: Infected, Prop Hunt, Parkour, King of the Hill, Boss Hunt.
Why Krunker stands out in the io shooter genre
- Browser-based accessibility
- Krunker runs directly in the browser without any downloads, providing smooth performance even on low-end PCs and Chromebooks.
- Pixel Graphics and Fast FPS Gameplay
- The combination of retro visuals with modern FPS mechanics makes the game appealing to both casual and hardcore gamers.
- Class System for a Variety of Playstyles
- Players can choose from 11 unique character classes, each with their own unique weapons and abilities, suitable for a variety of strategies.
Earn Money and Upgrade Your Weapons
Krunkies and Items
The in-game currency, Krunkies, is earned after each match and can be used to purchase skins, items, and consumables. Seasonal Battle Passes and Loot Spins provide additional progression options.
Seasonal Events and Raids
- Krunker regularly updates with new seasons, raids, and events (like Soul Sanctum and Tortuga), keeping the experience fresh and engaging.
- Some technical tips and settings to give you an edge
- Movement Mechanics: Slide jump and bunny hop provide advanced movement for skilled players.
- Recommended settings: Field of view around 90, high tickrate, aim fixation enabled, and Challenge Mode disabled for competitive play.
- Performance: Despite being played in the browser, the game still delivers high FPS performance, even on low-spec devices.
Community and Recognition
Because of its speed, accessibility, and vibrant community, Krunker was named one of the top browser first-person shooter games of 2019. The game has well over 200 million users globally as a result of its 2022 acquisition by FRVR.
The game's extensive online presence spans platforms like Reddit, Discord, Twitch, and YouTube, where players share maps, strategies, and gameplay content.
Expert Tips for Success
- Master advanced movement techniques like slide jumping.
- Choose the right character class and weapon depending on the mode.
- Practice on community maps to improve your map knowledge.
- Complete seasonal challenges to progress through the Battle Pass.
- Adjust game settings for better accuracy and responsiveness.
Some similar titles to try
Play and fight now on Krunker.
Krunker IO is one of the most popular browser-based FPS games ever since it is easy to play, has a lot of different game types, and has a strong community. With an innovative economy, custom maps, and constant updates, the game offers lasting value for both casual players and competitive enthusiasts.