What is Sum Island?
Sum Island is a free casual game with math elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Step into the enchanting world of Sum Island, where numbers become your playful allies.
How to play Sum Island
- Press "Play now" on the game screen. Sum Island loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Follow the in-game tutorial or the on-screen hints on the first level.
- 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 | Casual |
|---|---|
| Tags | Math |
| Controls | Shown in the game |
| Screen | Portrait (600 × 800) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GamePix |
| Added to Gameziko | 21 February 2025 |
Description from the developer
Step into the enchanting world of Sum Island, where numbers become your playful allies. Forge connections by strategically pairing colorful blocks, creating magical sequences. With each level offering new puzzles, hone your skills in this captivating blend of strategy and charm that rewards patience and thoughtful planning.
Sum Island: frequently asked questions
Is Sum Island free to play?
Yes. Sum Island 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.
Can I play Sum Island on a phone or tablet?
Sum Island 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 Sum Island?
If you like Sum Island, try BFF Math Class, Math Quest and Aliens Vs Math. They are casual games with similar themes, and you can find more in the Casual category on Gameziko.
Good to know
Sum Island is made by an independent developer and delivered by GamePix, 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.