Unlock Major Ruin:

In Lobster Hollow defeat the Shadow Troll



Unlock Thermite:

At Ogre Swamp defeat the Shadow Troll



Unlock Flex:

At Sulfer Cave defeat the Shadow Troll



Unlock Pummel Weed:

In the Enchanted Kingdom defeat the Shadow Troll



Unlock Rubble:

In the Forgotten Forest defeat the Shadow Troll



Unlock 40 Below:

At the Ice Cave defeat the Shadow Troll



Unlock Ash:

Rescue Halis



Unlock Chilla:

Rescue Lenya





Forgotten Forest High Score:

Get the following specified score or higher to get the unlockable



200,000 - Animation Video



400,000 - Alternate Costume (Pummel Weed)



800,000 - Wotnot Book Video



1,200,000 - Alternate Costume (Rubble)



1,600,000 - Cutscene Player



2,000,000 - Cheats Set #2





Thorn’s Castle High Score:

Get the specified score or higher to get the unlockable



100,000 - Alternate Costume (Kameo)



500,000 - Making Backgrounds Video



1,000,000 - Troll Song



1,500,000 - Concept Video



2,000,000 - Test Cutscene



2,500,000 - Cheats Set #1





Water Temple High Score:

Get the specified score or higher to get the unlockable



500,000 - Alternate Costume (Kameo)



1,000,000 - Alternate Costume (Ash)



1,500,000 - Cutscene Videos



2,000,000 - Alternate Costume (Major Ruin)



2,500,000 - Boss Fights



3,000,000 - Cheat Set #3





Snow Temple High Score:

Get the specified score or higher to get the unlockable



500,000 - Evolution of the Characters Video



1,000,000 - Alternate Costume - Deep Blue



1,500,000 - Music Player



2,000,000 - Alternate Costume (Chilla)



2,500,000 - Character Model Video



3,000,000 - Cheat Set #4 



Have fun guys!