Have all four weapons fully upgraded
Have two mimics
Arcade Mode: Complete the first stage
Arcade Mode: Complete the second stage
Arcade Mode: Complete the third stage
Arcade Mode: Complete the fourth stage
Arcade Mode: Complete the fifth stage
Arcade Mode: Complete the sixth stage
Arcade Mode: Complete the final stage
Complete the first stage using only the sword
Complete the second stage using only the sword
Complete the third stage using only the sword
Complete the fourth stage using only the sword
Complete the fifth stage using only the sword
Complete the sixth stage using only the sword
Complete the seventh stage using only the sword
Complete all stages of Arcade Mode without using a continue
Game Boy Mode: Complete the first stage
Game Boy Mode: Complete the second stage
Game Boy Mode: Complete the third stage
Game Boy Mode: Complete the fourth stage
Game Boy Mode: Complete the fifth stage
Game Boy Mode: Complete the sixth stage
Game Boy Mode: Complete the final stage