at a solid frame rate, the team used a frame replacement speed of 30 Hz instead of the usual 60 Hz. According to Humphries, it was easier to make the Saturn hardware approximate the size of the arcade version's sprites than it was with other conversions of the game. Release Primal Rage was released for arcades by Time Warner Interactive during August 1994. The game was released under two variants; a standard 25″ cabinet and a deluxe 33″ cabinet. Known commercial ports of the title include: 3DO Interactive Multiplayer, 32X, Amiga, Atari Jaguar CD, Game Boy, Game Gear, MS-DOS, PlayStation, Sega Genesis, Sega Saturn and Super Nintendo Entertainment System. To promote the home versions, Time Warner Interactive hosted a "National Primal Rage Video Game Tournament" at Six Flags Over Texas in October 1995. A Sega CD 32X version was slated for a November 1995 launch but it was never released. A Mac OS port was also planned to be published in November 1995 and advertised in Macworlds January 1996 issue, however development on the conversion was cancelled in April of the same year. The original arcade version was included as part of Midway Arcade Treasures 2 for GameCube, PlayStation 2 and Xbox in 2004 featuring a mixture of Atari, Midway and Williams titles. The arcade version was later included as part of Midway Arcade Treasures Deluxe Edition for the PC in 2006. Primal Rage was ported to the Game Boy by Probe Software and first released in North America in July 1995 and later in Europe on August 25 of the same year. This port excluded Vertigo from the roster, featuring a reduced moveset for every character and downgraded visuals. The Game Gear port is similar to the Game Boy release but with color graphics, much of the blood and gore retained and the "urination" fatality intact. The Genesis port was based on version 1.7, thus special moves and fatalities introduced in revision 2.3 are not present, featuring less vibrant colors and a cheat code that replaces Diablo's followers with Fergus McGovern, former CEO and founder of Probe Software. Prior to launch, a limited version was available for Sega Channel subscribers while a different version was released through the service on August 26, 1995, with twenty-four percent of subscribers taking part in the event to receive an 800 number and win prizes. The SNES port, developed by Bitmasters and released