We have 2 cheats and tips on DreamCast. If you have any cheats or tips for Bangai O please send them in here. You can also ask your question on our Bangai O Questions & Answers page.
Enter the name as 3 Groundhogs You will find the hidden options under Secret Garden in the options menu.
Cheat mode Enter - "3 Groundhogs" - Can be located towards the end of the name entry list of characters.
Extra options are:
Background - Normal/None/?
Invincibility - Off/On
Explosion Fragments - Normal/Heavy/None