No germs are fast enough to keep you from grabbing a bite from the floor
Beat Miss Grace
Find out there's no such thing as 99lives
Beat the Fourth Boss
Beat the First Boss
Beat the Fifth Boss
Acquire all upgrades for Trish
Reach the Second Bonus Stage
Acquire all upgrades for Oak!
Finish the game in the Normal Difficulty Setting
Beat the Final Boss (Final Form)
Finish the game with Mike and Dan
Finish the game with Hannah, Trish, DeeDee and Rey
Win a Match on Versus Mode (either Local or Online)
Acquire all upgrades for DeeDee
Finish the Game without using Magic (Super)
Acquire all upgrades for Fries
Beat the Second Boss
Finish the game with a couple
Acquire all upgrades for Izzy
Acquire all upgrades for Rey
Acquire all upgrades for Sadiv66
Use a total of 99 lives in game (cumulative through multiple playthroughs)
Finish the game with 2-4 players in co-op, either local or online
Finish the game in the Hard Difficulty Setting
Acquire all upgrades for King
Finish the game with Sadiv66
Reach the First Bonus Stage
Acquire all upgrades for Mike
Acquire all upgrades for all characters (unlockable included)
Finish the game in the Elite Difficulty Setting
Prove you're worthy of the 99vidas by unlocking all the Achievements
Acquire all upgrades for Hannah
Beat the Final Boss
Beat 99 of the same enemy type
Acquire all upgrades for Dan
Finish the game with Izzy in the Izzy Difficulty Setting
Finish the game with King, Izzy, Fries and Oak!
Beat the Third Boss