Power-ups are tools you can use in order to beat a round of Dots more easily. There are there kinds of power-ups: Time Stops, Shrinkers, and Expanders. Time Stops allow you to make five moves without it affecting your moves counter. Shrinkers can erase a dot from the board. Expanders clear all dots of the same color from the board. You can buy more power-ups either with dots you accumulate during gameplay or by purchasing them directly.