All of the light-hearted party games in Let's Tap are controlled by placing the Wii Remote on a flat surface that will reverberate slightly, such as an upside-down box top or serving tray, and then simply tapping fingers on the surface to cause the remote to vibrate. The game detects light, medium, and hard taps, so once players have enough practice to get a feel for the force sensitivity, they can input different commands with taps of different strengths. This basic control scheme is used in five modes of play. The game's "Tap Runner" mode is a side-scrolling game in which running stick-figure characters are controlled with the player's rhythmic finger-taps, not unlike the play mechanics of the GameCube's bongo-peripheral platformer, Donkey Kong Jungle Beat (or the frantic two-button locomotion of Konami's classic arcade Track & Field games). Other modes of play in Let's Tap include "Rhythm Tap," a drum sim in which players tap their fingers to the beat of a song, and "Visualizer," a rhythm-based fireworks game, as well as the action puzzle games "Silent Blocks" and "Bubble Voyager." All five modes of play use the same simple finger-tapping input, and all five can be played by up to four simultaneous players.
The Best Buy exclusive limited edition includes a paper-like mat to place underneath the Wii Remote.