Whacked! is a party game developed by Presto Studios and released in 2002 by Microsoft Game Studios exclusively for the Xbox. It was one of the two original games to be made available for Xbox Live, and it received mixed reviews. Whacked! was the last game developed by Presto Studios before it went defunct.

Presto Studios was a computer game development company of the 1990s. The company is notable for its award-winning series The Journeyman Project as well as Myst III: Exile, the 2001 sequel to Cyan's Myst series.