What is Super Onion Boy 2?
Super Onion Boy 2 is a free adventure game with mario, platformer and retro elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Super Onion Boy 2 is a 2D retro-style adventure game where your mission is to save your friend, who has been captured by a terrible monster with psychic powers.
How to play Super Onion Boy 2
- Press "Play now" on the game screen. Super Onion Boy 2 loads inside the player; some games take up to 20 seconds and may show a short ad first.
- AD / left and right arrow keys = move to the left and right.
- Z / K /Space = jump X / J = use power (when available) P / Tab = pause
- 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 | Adventure |
|---|---|
| Tags | mario, platformer, retro |
| Controls | Arrow keys, Space bar |
| Screen | Landscape (960 Ã 540) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Super Onion Boy 2 is a 2D retro-style adventure game where your mission is to save your friend, who has been captured by a terrible monster with psychic powers. Defeat enemies along the way using superpowers and epic transformations, collect coins and stars to earn extra lives, find chests with magic potions, and defeat all the terrible bosses until you reach the final showdown.
Super Onion Boy 2: frequently asked questions
Is Super Onion Boy 2 free to play?
Yes. Super Onion Boy 2 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 Super Onion Boy 2?
The developer's instructions for Super Onion Boy 2 say: "AD / left and right arrow keys = move to the left and right. Z / K /Space = jump X / J = use power (when available) P / Tab = pause"
Can I play Super Onion Boy 2 on a phone or tablet?
Super Onion Boy 2 is controlled with the keyboard (Arrow keys and Space bar), so it plays best on a computer. It opens in mobile browsers, but there may be no on-screen controls.
What games are similar to Super Onion Boy 2?
If you like Super Onion Boy 2, try Super Billy Boy, Baby Chicco Adventures and Super Steve World. They are adventure games with similar themes, and you can find more in the Adventure category on Gameziko.
Good to know
Super Onion Boy 2 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.