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Number Block

Swipe with a mouse or finger to move numbered blocks around a portrait board on desktop or phone. Each level asks you to combine blocks through addition and subtraction so the final block lands on zero, and the puzzle is deciding which blocks to merge rather than the arithmetic itself. A video button on the main screen shows a solution for any level you get stuck on, and the game runs in the browser with no installation needed.

Number Block — play free online

About this game

The addition and subtraction in this math puzzle game isn’t tough at all. What is challenging is figuring out what blocks to combine to come up with zero in the final block. If you get stuck, just click the Video button on the main screen to see how to solve each level.

How to play

Swipe using the mouse or touch

Questions people ask

Can I play Number Block online for free?
Yes. Open Number Block in this browser and press Play. There is no download or account required.
Do I need to install Number Block?
No. The game runs inside the browser page, so there is nothing to install.
Does Number Block work on mobile?
This game does not list touch controls. For the best experience, use a keyboard and mouse.