# Zero Zones — Negatives Puzzle | Mathallery

Source: https://mathallery.com/games/zerozones/

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# Zero Zones

Negatives · 30 levels

Pair hot and cold numbers into zones that add to zero.

## How to play

- Drag across touching tiles to fence them into a zone. Tap a zone to undo it, or drag out of it to grow it.
- Every zone must add up to exactly 0: hot (red) numbers cancel cold (blue) ones, so 3 + 2 + −5 = 0.
- Put every tile in a zone, keeping to the zone size shown (and the zone count, when there is one).

Look for lonely tiles in corners first: they only have a couple of neighbours to cancel with.

[Open Zero Zones](https://mathallery.com/#/play/zerozones/1)

Teeter, Tint and Echo Heist are free starters. Other games unlock through earned game choices or permanent packs. Your progress stays in the browser; optional sign-in saves it to your website account.