MX Unleashed is a motocross racing game for PlayStation 2, Xbox, and mobile phone. It was developed by Rainbow Studios and Humagade, published by THQ, and released in 2004. It was the first game in the MX series to be developed by Rainbow Studios.
The game was met with positive reception upon release. GameRankings and Metacritic gave it a score of 81% and 81 out of 100 for the Xbox version, and 79% and 80 out of 100 for the PlayStation 2 version.