Have 20 missiles following you at one time
Beat the game on Permadeath mode
Complete 30 sets under their par times
Complete 8 sets under their par times
Complete 50% of the game
Complete 21 level sets
Resume a level
Reactivate a previous checkpoint
Complete 15 level sets
Complete 33% of the game
Die near the entrance point
Complete 70% of the game
Complete 3 level sets
Complete 10 level sets
Complete 3% of the game
Defeat the final boss
Lose to the Warehouse boss by pressing the big red button
Activate 99 checkpoints
Collect all 155 coins
Complete 16 sets under their par times
Collect 5 coins
Complete 10 level sets without dying
Complete a level set without dying
Find a collectible
Try on every outfit
Collect the 3 golden keys
Collect 15 coins
Beat final boss while wearing the Wizard outfit
Find your 15th collectable
Complete 10% of the game
Collect 60 coins
Collect 30 coins
Miss the cannon shot on the forest boss 4 times in a row
Find your 5th collectible
Find your 30th collectable
Complete 30 level sets
Complete 100% of the game
Beat Laboratory
Race and beat your ghost
Defeat the wizard boss
Complete 6 level sets
Beat the final boss as blue (don't change costume).
Die 500 times in a single set
Defeat the first boss
Collect 120 coins
Complete 20% of the game
Complete any level set in under 1 minute
Die near the exit point
Complete 2 sets under their par times