What is Number Sums?
Number Sums 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. Dive into Number Sums, a logic puzzle game that will put your number-crunching skills to the test.
How to play Number Sums
- Press "Play now" on the game screen. Number Sums 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 | 24 July 2025 |
Description from the developer
Dive into Number Sums, a logic puzzle game that will put your number-crunching skills to the test. Strategically select grid cells to achieve precise target sums across rows and columns. With 5000 levels, this addictive challenge promises endless brain-bending fun. Will you reign as the ultimate puzzle master?
Number Sums: frequently asked questions
Is Number Sums free to play?
Yes. Number Sums 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 Number Sums on a phone or tablet?
Number Sums 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 Number Sums?
If you like Number Sums, 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
Number Sums 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.