Climb 1/3 of the map
Unlock the skull knight skin
Climb 2/3 of the map
Unlock the black knight skin
Unlock the nun knight skin
Unlock the gold knight skin
Complete the game
Unlock the ghost knight
Unlock the frozen knight
Unlock the robot knight
Fall to the very bottom 25 times
Complete the DLC
You won a multiplayer match
You won a multiplayer match for the DLC