Endings

There are 4 endings in Treasure Adventure Wiki.

The Really Bad Ending

Requirements: beat the final boss without freeing Otus from the slime enemies on the top of Somora Island. To do so, use the Sprint Boots to run under Otus while he rises his foot.

Consequences: cannot fight the second or third stages of the final boss.

Bad ending

Requirements: free Otus but don't collect the Widget from the pirates, then beat the final boss.

Consequences: cannot fight the third stage of the final boss.

Good endings

Requirements: beat the final boss after freeing Otus from the slime and collecting the widget from the pirates.

There are two versions of this ending, depending on whether you choose to go on an adventure or not after defeating the final boss. Having 100% completion does not affect this ending.