What is Sum Square?
Sum Square is a free kids game with math, student and teacher elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Drop the numbers into the colored boxes such that the sum of the numbers equals the required number for each box.
How to play Sum Square
- Press "Play now" on the game screen. Sum Square loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Drag and drop the letters using either touch or the mouse.
- In-game instructions on starting levels show you how to play.
- Be sure and click the number boxes at top if you need to highlight a box.
- On later levels, when more boxes intersect, it helps to make the box boundaries easier to see.
- 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 | Kids |
|---|---|
| Tags | math, student, teacher |
| Controls | Mouse, Touch (tap or swipe) |
| Screen | Square (800 × 800) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Drop the numbers into the colored boxes such that the sum of the numbers equals the required number for each box. The levels start off easy but later levels can be very tough. See if you can use your addition and thinking skills to complete all 60 levels.......without using the solutions button on the main menu too much!
Sum Square: frequently asked questions
Is Sum Square free to play?
Yes. Sum Square 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 Sum Square?
The developer's instructions for Sum Square say: "Drag and drop the letters using either touch or the mouse. In-game instructions on starting levels show you how to play. Be sure and click the number boxes at top if you need to highlight a box. On later levels, when more boxes intersect, it helps to make the box boundaries easier to see."
Can I play Sum Square on a phone or tablet?
Yes. Sum Square 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 Sum Square?
If you like Sum Square, try Math Boxing Comparison, Boat Coordinates and MathPup Chase Multiplication. They are kids games with similar themes, and you can find more in the Kids category on Gameziko.
Good to know
Sum Square 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.