Dots eXtreme is a classic dots puzzle with large boards and increased difficulty level. It has simple rules, but challenging gameplay. Connect matching colors and shapes, use bridges and tubes to complete more than 500 handmade puzzles. There are different board sizes available, ranging from 8x8 to 20x20 cells.
You can also collect Tokens to unlock different UI skins or in-game tips which will help you to complete most challenging levels.