The power-up that's easiest to get your hands on is the bomb. Helping you beat the obstacles, TwoDots includes several power-ups that you can create yourself or earn from completing challenges.

Obstacles vary by level and some of the later levels have up to four obstacles, making play especially difficult. The fire dots are particularly annoying because they can eventually take up almost the entire playing field if you're not careful. In later levels, there are frozen spaces on the playing field that take three hits to clear and fire dots that spread fire to surrounding dots after each move. In the underwater world, there are anchor dots that you need to clear from the board by getting them to fall off the bottom row. Within each world in the game, there are new obstacles that change how you play. You're told the objective at the beginning of each level, and you can see your progress at the top of the screen while you're playing. You must meet the objective in the number of moves you're given or else you fail the level and lose a life. Each level has a clear objective, which usually means clearing a certain number of colored dots and/or clearing out obstacles. What makes the game challenging are the objectives and obstacles. Undoubtedly this is all a ploy to keep you playing, and it works wonderfully.

The game is very encouraging, with congratulatory messages when you beat a level and helpful tips on the loading screens.

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