Key Features:

- Mahjong solitaire where tiles are numbers and math expressions - Three modes: Relax, Adventure with growing levels and Prodigy against the clock - Unlockable Relax+ mode with two-step expressions - Hints and shuffles to help when you are stuck - Daily quests, streak rewards and unlockable tile palettes - Available in English, German, French, Spanish, Portuguese and Russian - Personal best time for every level - Works on desktop and mobile

Click or tap a free tile, then click another free tile with the same value to remove the pair. A tile is free when nothing lies on top of it and at least one of its left or right sides is open. Numbers and expressions with equal results match, for example 4, √16 and 2+2. Clear all tiles to win. Stuck? Use a hint or shuffle the free tiles.

Keep Prime Numbers

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