Number Waterfall - Add and Subtract (Basic maths)

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Simulate a waterfall using numbers. Waterfall is considered well-formed only if:
- Sum of the numbers is equal to the goal.
- Marked numbers should be adjacent horizontal, vertical & diagonally. That is, no empty line union.
- 2 numbers marked on each row.

Also available a challenges section, where different variations appear. In both cases, there are two levels: normal & difficult. In the normal level, the sum is shown, however, in the difficult level, you will have to add and subtract mentally because it disappears.

Challenges:
- 15s & 30s countdown
- 6 hidden cells
- Random, Negative, Pair & Odd numbers
- Multiples of 10

Add and Subtract. Maths challenges

Compatible with Wear OS. Wear Game.
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What's New

Updated dependencies 🛠
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Additional Information

Updated
January 4, 2019
Size
Varies with device
Installs
5,000+
Current Version
2.2.2
Requires Android
Varies with device
Content Rating
Everyone
Permissions
Offered By
Tocapp Games Wear
Developer
Calle Via Augusta, S/N, Centro Cedes, 12194, Vall d’Alba, Castellón, Comunidad Valenciana, España.
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