Levels

Plains

 * 1-1 Sheltered Grove
 * 1-2 Grassy Plains
 * 1-3 Watering Hole

Arctic

 * 2-1 Frozen Lake
 * 2-2 Snowy Peaks
 * 2-3 Crystal Caves
 * Boss Rumbling Reaper

Desert

 * 3-1 Blistering Sands
 * 3-2 Great Canyon
 * 3-3 Dusty Cavern

Jungle

 * 4-1 Hidden Falls
 * 4-2 Heart Of The Jungle
 * 4-3 Trembling Trees
 * Boss Tyrant Terror