Godzilla: Unleashed is a 3D fighting video game based on Toho's Godzilla franchise. It was developed by Pipeworks Software and published by Atari. The game was released in North America on November 20 2007 for PlayStation 2; and on December 5 of the same year for the Wii. A Nintendo DS version titled Godzilla Unleashed: Double Smash was also released in North America on December 5 2007. Unleashed serves as a sequel to 2004's Godzilla: Save the Earth itself a sequel to 2002's Godzilla: Destroy All Monsters Melee. The game features over 20 Kaiju and Mechas from the Showa (1954–1975) Heisei (1984–1995) and Millennium (1999–2004) era films; as well as two original Toho-approved creations: Krystalak and Obsidius.