Cheat Mode Enter 3 Groundhogs (found towards the end of the name entry list of characters) as a name to unlock an extra "Secret Garden" menu at the options screen and 44 levels. The extra options are:
- Riki's shot trail thickness: Normal (thin), Thick
- Mami's shot trails: Normal (thin), Thick, Large Missile and Thick (Nintendo 64 style)
- Explosion Fragments: Normal, None, Heavy
- Background: Normal, None, ?
- Invincibility: Off (Thanks to Alex1337@aol.com)