A puzzle game where you manipulate numbers on panels to make all question panels zero. It offers 200 free levels with increasing difficulty and a daily challenge. Practice addition and subtraction with helpful hints and an undo function.






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One Touch Color Line is great, but it's not the only option. Explore 10+ similar apps and games for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.









A puzzle game where you manipulate numbers on panels to make all question panels zero. It offers 200 free levels with increasing difficulty and a daily challenge. Practice addition and subtraction with helpful hints and an undo function.










A challenging brain game where players merge identical numbers to reach a total of 12. It requires careful strategy as numbers fall without buffer space. The game offers undo options and automatic saving for continuous play.




This puzzle game challenges you to draw pictures by connecting dots sequentially, with each line drawn only once. It offers 200 levels of increasing difficulty, requiring strategic thinking to complete intricate drawings. Enjoy a relaxing yet brain-teasing experience with no timers.


Connect matching colored dots to fill the grid without overlapping lines. This brain puzzle game offers hundreds of levels with increasing difficulty and a relaxing neon glow design. Enjoy hours of fun testing your logic and problem-solving skills.



