America - Front
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To unlock the Lost World, you must pass the first world. In the all the other worlds, you will start to find a ''Klubba's Koisk'' in each world. When you visit one, a Kremling named Klubba will ask you to give him 15 Kremcoins to enter The Lost World. If you do give 15 Kremcoins to Klubba in a particular world, you will unlock one particular level of the Lost World.
| Unlockable: | How to unlock: |
| "Jungle Jinx" Level | Give Klubba 15 Kremcoins in "Crocodile Cauldron" |
| "Black Ice Battle" Level | Give Klubba 15 Kremcoins in "Krem Quay" |
| "Klobber Karnage" Level | Give Klubba 15 Kremcoins in "Krazy Kremland" |
| "Fiery Furnace" Level | Give Klubba 15 Kremcoins in "Gloomy Gulch" |
| "Animal Antics" Level | Give Klubba 15 Kremcoins in "K. Rool Keep" |
| "Krocodile Kore" Boss | Beat the game and all 5 Lost World levels. |
| Unlockable | How to Unlock |
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