 Some characters were included in one version of the game and left  out of the other. Terrorasur, Waspinator, Starscream And Airazor  were playable characters in the N64 version but not the Playstation  (although Waspinator did has a brief appearance). Similarly Rampage,  Windrazor and Quickstrike were playable in the Playstation version  but not the N64 version.