Completed the introduction level
Completed the easy levels and got to the medium part of the hub world
Completed the medium levels and got to the hard part of the hub world
Find the easter egg level
Unlock the space level
Complete every level on normal mode
Complete every level on challenge mode
Complete every level on nightmare mode
Find a new ball style
Find a secret, unlisted ball style
Collect all ball styles listed in the menu
Collect all ball styles, including unlisted ones
Complete a level in challenge or nightmare mode 10+ seconds faster than the gold time