Young Dragon
Not unlocked yetDefeat the Cyclops
Fire breathing Dragon
Not unlocked yetDefeat Tonerator
Robot nemesis
Not unlocked yetDefeat Professor Processor
Beekeeping
Not unlocked yetDefeat the Hive
The Reaper
Not unlocked yetDefeat 1000 enemies
Over 9000
Not unlocked yetDefeat over 9000 enemies
Space Guardian
Not unlocked yetComplete every space invasion level
Bouncy Castle
Not unlocked yetComplete every bouncy balls level
Dragon Bro
Not unlocked yetComplete every level at the maximum difficulty
Hold the line
Not unlocked yetDefeat 10 enemies in a row while locked in position
Speed run
Not unlocked yetComplete level 1 in less than 2 minutes and 20 seconds