Big Head Mode:
In the tag race level, or any of the Diapers of Thunder levels, after the words "Lights ,Camera,Action" appear on the screen, immediately press start and press the following buttons in this order: Circle, Square, Circle, X. Your characters will now have giant heads!

Extra Reptar Bars
In all the racing levels in Captain Cookies and Diapies Of Thunder, you should see a few targets. When you get the Beach Ball power-up, shoot it at the targets to gain five Reptar Bars.

Level practice
If you want to practice on some of the levels, choose multi-player mode. It contains all the levels except the tag race scene available for practice as long as desired.

Bonus level
Successfully complete the game in single player mode. A bonus level will be unlocked in Diapies Of Thunder mode.

Key
Get 50 Reptar Bars to get a key without first completing a level.