This app is a puzzle game that trains observation and logical reasoning. The board has numbered tiles marked with dots and one empty space. You slide adjacent tiles into the empty slot to gradually rearrange the layout. You win when every row and column contains no duplicate dot counts. Levels grow harder over time, with board shapes and tile counts increasing as you progress. It’s well suited to short breaks when you want to think calmly, and to building sensitivity to number relationships and the habit of reasoning across whole rows and columns through trial and error.
