The Elephant Collection achievements

Reach combo 20 hamsters while wearing the pirate hat in Achievement Unlocked 3

Complete This is the Only Level

Spell the only English word you can with all seven letters in Stage 14 [Curable] in This is the Only Level 3

Input Pi on Stage 25 extremely quick [in 8 seconds or less] in This is the Only Level 3

Play Call Me Maybe On the Piano (CEFECCEDDC) in Achievement Unlocked 2

Complete Run Elephant Run in Hard Mode