Cheat Mode:
To activate the following cheat functions pause game play, then enter one of the codes below:

Function  -  Code

New bunny - breed 
Money - aeiou 
Discard all canisters - waste 
Disable height checking - lapogo 
Level skip - boing

Toxic Bunny Potions:

2 Blue, 1 Yellow, 3 Purple = Full Map
1 Red, 2 Blue, 1 Black, 2 Orange, 1 Purple = 1 Health
1 Red, 3 Blue, 2 Black, 3 Orange, 1 Purple = Full Health
2 Red, 3 Green, 1 Blue, 2 Yellow, 3 Black, 2 Orange, 1 Purple = Extra Life
1 Red, 1 Green, 1 Yellow, 1 Black = Super Jump (Timed)
1 Red, 1 Blue, 1 Yellow, 1 Black, 3 Orange = Lightning (Timed)
2 Black, 3 Purple = Speed (Timed)
1 Red, 1 Blue, 1 Yellow, 1 Black = Aura 1 (Invincible; Timed)
2 Red, 2 Blue, 2 Yellow, 1 Black = Aura 2 (Invincible; Timed)
Note: can't jump to some platforms when this is active.
4 Blue, 1 Black, 1 Purple = Water Movement (Timed)
3 Blue, 1 Black, 2 Purple = Float (Timed)
1 Green, 2 Blue, 2 Yellow = Gravity (Timed)
4 Red, 2 Yellow, 1 Orange = Mexican Chilli 1 (Spread Fire When Running; Timed)
6 Red, 3 Yellow, 2 Orange = Mexican Chilli 2 (Spread Fire When Running; Timed)
9 of any other color = 2 Black
3 Blue 1 Purple = Underwater Breathing (Timed)
1 Blue, 1 Yellow, 1 Black, 1 Purple = Luck (?; Timed?)


Episode 3 Hint:
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Keep moving to kill Big Chicken. (Episode 3 Boss)

Episode 4 Hints
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Search near lots of plants to find your helper.
Find the winged-one in the south-east.
Find the medallion at the bottom of the lake in the south west.
Use the medallion to open the winged-one's cage.
Werewolves don't like silver.
Find the silver bullets in the middle of the map.
Use the chain from the cage as a conductor.