What is Knife.io?
Knife.io is a free .io game with battle, knife and arena elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Knife.io is a fast-paced 2D battle game where you throw knives at your enemies to eliminate them!
How to play Knife.io
- Press "Play now" on the game screen. Knife.io loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Single Player: - PC: Move with the mouse or WASD, attack with Spacebar or Left Click - Mobile: First finger to move, second finger to attack Two Players (Local Multiplayer): - PC: Player 1: Move with WASD, attack with Spacebar Player 2: Move with Arrow Keys, attack with L - Mobile: First finger to move, second finger to attack (same as single player)
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | .io |
|---|---|
| Tags | Battle, knife, arena |
| Controls | Mouse, Arrow keys, WASD keys, Space bar |
| Screen | Landscape (800 × 600) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Knife.io is a fast-paced 2D battle game where you throw knives at your enemies to eliminate them! Dodge incoming attacks, aim precisely, and take down as many opponents as possible without getting hit. With vibrant worlds to explore and tons of unique characters to unlock, every match is a colorful and action-packed challenge. Play solo or team up with a friend in local multiplayer, only the sharpest player will survive!
Knife.io: frequently asked questions
Is Knife.io free to play?
Yes. Knife.io is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Knife.io?
The developer's instructions for Knife.io say: "Single Player: - PC: Move with the mouse or WASD, attack with Spacebar or Left Click - Mobile: First finger to move, second finger to attack Two Players (Local Multiplayer): - PC: Player 1: Move with WASD, attack with Spacebar Player 2: Move with Arrow Keys, attack with L - Mobile: First finger to…"
Can I play Knife.io on a phone or tablet?
Yes. Knife.io supports touch controls, so it works in the browser on Android phones, iPhones and tablets as well as on a computer.
What games are similar to Knife.io?
If you like Knife.io, try Push.io, Sworded.io - Spin and Rub. and War Space. They are .io games with similar themes, and you can find more in the .io category on Gameziko.
Good to know
Knife.io is made by an independent developer and delivered by GameDistribution, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.