Complete any level with any result.
Find the first girl in the game.
Unlock all characters.
Don't tell anyone how you got it!
Complete any level for a gold medal.
Complete the “Forgotten Caves” level in less than 100 seconds.
Complete all levels for a gold medal.
Open the entire gallery.
Have all 4 key colors.
Accumulate 13 lives and complete the level with any result.