Twisted Metal is a series of vehicular combat video games published by Sony Computer Entertainment and developed by various companies. The series has appeared on PlayStation consoles, the PlayStation 2, PlayStation Portable, PlayStation 3. As of October 31, 2000, the series has sold 5 million copies. Seven of the games (including Twisted Metal: Black Online) were re-released as part of the Sony Greatest Hits program. The original game and its first sequel were also released on PC.