Play the game twice
Unlock the Yeti
Continue twice in one run
Use the head start to get an Invinciboulder
Survive 15,000m without using a continue
Fully upgrade The Boulder's jump height
Find and destroy the Reaper
Unlock the Ms. Boulder theme
Destroy a Stegadino
Unlock the Jack O’ Boulder theme
Complete all goals with The Boulder
Complete all goals with Jack O’ Boulder
Complete all goals with Ms. Boulder
Complete all goals with Happy Holiboulder
Complete the daily goal on all 7 days
Hit a Glam Yeti
Unlock the Happy Holiboulder theme
Complete all goals with Metal Boulder