Collect 8 small coins
Kill any hero 8 times
Die for the first time
Score 8,888 points
Kill your first enemy
Destroy 88 blocks in a single game
Kill 8 enemies in one game
Die 8 times
Score 88,888 points
Complete your first room
Kill every unique hero once
Collect 8 large coins
Complete a level with zero seconds left on the clock
Kill any hero 88 times
Complete the Office
Revive a hero
Complete the Volcano
Complete the Sewers
Complete the Space Station
Finish with 8 minutes (or more) remaining on the Doomsday Timer
16 Perfect rounds
Complete Magnificent 8 mode
Die 888 times
32 Perfect rounds
Kill 888 enemies in total
Collect 88 large coins
Collect 88 small coins
Complete 88 Mode with 8 heroes remaining
Die 88 times
Complete any room in under 3 seconds
8 Perfect rounds
Score 888,888 points
Complete Solo mode
Play the game 88 times
Complete 88 Mode with 16 heroes remaining
Kill 88 enemies in one game