Activate the following cheats by entering the corresponding codes and pressing ENTER:

CHEAT FUNCTION - CHEAT CODE
Invincibility from enemies and spikes - haxe-canttouchme
Open level exit - haxe-opensesame
Hold up to 10 Happylanders at once - haxe-fullcapacity
Unlimited time - haxe-splitseconds
No enemies - haxe-gohomebaddie
Jump higher - phlie-pvyutwtoo

Access the following levels by entering the corresponding passwords:

LEVEL - PASSWORD

Mighty Mountain 3 - dontturnaround
Mighty Mountain 4 - yourkingandqueen
Wicked Village 1 - maximilliandrake
Wicked Village 2 - wheresthedamncat
Wicked Village 3 - donteatyellowsnow
Hurry Up! Level - forestofblackoaks
Manic Mines 1 - canyouseethemoon
Manic Mines 2 - herecomesyuletide
Manic Mines 3 - whydoyoubuildmeup
Manic Mines 4 - themanatetwosocks
Tops of Terror 1 - carsareoftenbigger
Tops of Terror 2 - angrybearsaregreen
Tops of Terror 3 - sackfullofpotatoes Hints

Press ESC during the introduction sequence to skip it.