Ninja Reflex

Ninja Reflex is a party game, capitalizing on the popularity of games that take advantage of the unique Nintendo Wii Remote motions seen in other titles including WarioWare: Smooth Moves, Mario Party 8, and Wii Sports. The game supports up to four players. The object of Ninja Reflex is to test players' reflexes and reaction times and challenge friends in head-to-head competition. Source: Wikipedia, "Ninja Reflex", available under the CC-BY-SA License.