Beat the game without getting a game over on normal+

Finish Chapter 1

Finish Chapter 2

Finish Chapter 3

Finish Chapter 4

Beat the game on easy difficulty or higher

Beat the game on hard difficulty

Beat the game on normal difficulty or higher

Finish Chapter 1 without dying throughout the stage on normal+

Finish Chapter 2 without dying throughout the stage on normal+

Finish Chapter 3 without dying throughout the stage on normal+

Finish Chapter 4 without dying throughout the stage on normal+

Finish Chapter 5 without dying throughout the stage on normal+

Clear Chapter 4 only using the Standard Suit on normal+ (Retry with suit on to start)

Clear Chapter 1 only using the Offensive Suit on normal+ (Retry with suit on to start)

Clear Chapter 2 only using the Defensive Suit on normal+ (Retry with suit on to start)

Clear Chapter 1 only using the Dark Knight Staff (Retry with weapon on to start)

Clear Chapter 2 only using the Magnetic Nun Chaku (Retry with weapon on to start)

Take the shortcut in Chapter 1

Hold 18 or more Dark Knight Discus

Find all the secret crate rooms in Chapter 3

Find all the secret crate rooms in Chapter 5

Beat the best time on Time Trial A

Beat the best time on Time Trial B

Beat the best time on Time Trial C

Beat the best time on Time Trial D

Beat the best time on Time Trial E

Discover the break-in in Chapter 2

Find the hidden 1-up on stage 4

Find all the secret crate rooms in Chapter 2