Successfully complete Dristone Driller to unlock Tokyo as an endless level.

Unlock all Drillers by completing all levels in mission mode to unlock the Outer Space level. Note: This is an endless level. In the European version of the game, successfully complete "The Moon" level in mission mode.

Successfully complete all levels except Outer Space in mission mode to unlock the South Pole level. Note: This is an endless level.

Successfully complete the Japan level in mission driller mode to unlock Puchi.

Unlock all characters, then successfully complete the 2000m Moon level again with Ataru. A black rabbit (Usagi) will appear on the top screen. Successfully complete the stage to unlock Usagi as the middle character on the selection screen.

Successfully complete levels A through J in time attack mode to unlock mirror time attack mode.

Successfully complete a Mission Driller mode level without using any items or losing a life. Note: The Outer Space level does not have a badge since it is endless.

A flower will appear at the title screen when each of the following levels are completed. A seventh flower will appear after all previous six flowers have been unlocked.

Earth in Mission Driller mode.
Moon in Mission Driller mode.
Japan in Time Attack Driller mode.
Reverse Japan in Time Attack Driller mode.
All levels in Dristone Driller mode.
All levels in Pressure Driller mode.