Defeat Vetrol and beat World 1
Defeat Kotram and beat World 2
Defeat Ditan and beat World 3
Destroy Rogue's brain computer and beat World 4
Manage to die in a level with no enemies and no stage hazards
Beat the entire game on hard mode without dying
Beat World 1 without dying
Beat World 2 without dying
Beat World 3 without dying
Beat World 4 witout dying
Starting from World 1, beat the entire game in one go without dying
Be under the effect of speedup boots and a slowdown skull all at the same time
Find two secret bonus stages in World 2 in a single playthrough
Find two secret bonus stages in World 3 in a single playthrough
Find the secret bonus stage in World 4 and witness a hidden cutscene
Starting from World 1, beat the entire game in one go
Catch up to Rogue and receive a nice reward for your efforts
Beat World 1 on hard mode
Beat World 2 on hard mode
Beat World 3 on hard mode
Beat World 4 on hard mode