Get sent back to level 1
Die 100 times
Die 1,000 times
Die 10,000 times. (You realize that playing this game is optional, right?)
Get the Ruby
Get the Topaz
Get the Emerald
Get the Opal
Get the Saphire
Get the Amethyst
Die 30 times in a row on the same level (I'm so sorry!)
Get all of the gems
Get sent to the same level 5 times
Get all of the gems while visiting fewer than 64 levels
Discover all of the hidden logs
Discover all of the levels
Get all of the gems in less than an hour