What is Gun Mayhem.IO?
Gun Mayhem.IO is a free shooting game with .io elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Play the original Gun Mayhem game where the goal is to stay on the island without getting knocked off.
How to play Gun Mayhem.IO
- Press "Play now" on the game screen. Gun Mayhem.IO loads inside the player; some games take up to 20 seconds and may show a short ad first.
- AWSD MOUSE
- 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 | Shooting |
|---|---|
| Tags | .io |
| Controls | Mouse |
| Screen | Landscape (800 × 680) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameMonetize |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Play the original Gun Mayhem game where the goal is to stay on the island without getting knocked off. Choose your weapon wisely so that you can knock your opponents off. Grab creates to to get firearm upgrades.
Gun Mayhem.IO: frequently asked questions
Is Gun Mayhem.IO free to play?
Yes. Gun Mayhem.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 Gun Mayhem.IO?
The developer's instructions for Gun Mayhem.IO say: "AWSD MOUSE"
Can I play Gun Mayhem.IO on a phone or tablet?
Gun Mayhem.IO is an HTML5 game, so it opens in modern mobile browsers as well as on a computer. Its controls were designed mainly for a mouse, so a computer usually gives the smoothest experience.
What games are similar to Gun Mayhem.IO?
If you like Gun Mayhem.IO, try Gold Gun Fury.IO, Gun Shooting Game and Play In Mall. They are shooting games with similar themes, and you can find more in the Shooting category on Gameziko.
Good to know
Gun Mayhem.IO is made by an independent developer and delivered by GameMonetize, 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.


























































































