3.7
156 reviews
10K+
Downloads
Content rating
Everyone
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About this game

Anomaly puzzle:
Find the outstanding figure. Take the color and shape of the figure into account.

Path finder:
Start at the marked position and follow the arrow instructions to find the destination.

Mental calculation:
Warm up with simple math calculations.

Mental calculation:
Warm up with simple math calculations.

Sherlock calculation:
Find a formal to get to the requested goal.

Chain calculation:
Solve complex formulas.

Color confusion:
Keep focused.

Fraction calculation:
Solve the fractions.

Height comparison:
Find the formal with the highest result.

You can create your own Riddle or Sherlock calculation and share it.

The game has several achievements and each exercise has medals to keep you motivated.

No tracking. Open source.
Updated on
1 Feb 2020

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

3.7
149 reviews
Troy Correia
6 July 2020
Some of the challenges are pretty good and well balanced. It reminds me of a basic version of the early Nintendo DS brain games. However, the math problems do not follow order of operations and end up having wrong answers.
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A Google user
29 February 2020
Great app, yet simple UI and entertaining. There's a bug within tests having calc, when the calculation become too long, the backspace button moved out of screen (invisible). Thank you!
1 person found this review helpful
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A Google user
7 December 2019
Great! Except on mental calculation numbers are missing in some of the equations, if that gets fixed it'll be 5 stars
6 people found this review helpful
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Simon Schubert
18 December 2019
Sorry for the inconvenience. I updated the app to make the rules for Mental calculation more clear. The rule is to remember the result of the previous calculation and use it as a base for the next calculation. E.g. if the previous result was 3 and the current calculation is "* 5" the result is 15. I also updated the Anomaly puzzle, Thanks

What's new

Improved roundness of circle shape
Renamed Height comparison game to Value comparison
Fixed layout issues
Upgraded software architecture