Gex: Enter The Gecko Cheat mode
Press [Esc] to pause the game at the central (Media Dimension) area. Then, hold H and press [Right] [Right] [Left] [Right] [Space] [Down] [Right]. Press [Esc] to resume the game, then press [F1] to display three cheat menus. Note: Cheat mode must be reactivated after completing the next level.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original