Clear Stage 1.
Clear Stage 2.
Clear Stage 3.
Clear Stage 4.
Clear Stage 5.
Clear Stage 6.
Clear Stage 7.
Skip 'The Sewers'.
Reach 50000 dollars.
Collect Milo in every Stage.
Collect 9 lives.
Finish the game without losing a life on Hard
Kill all the clocks with the mallet in first stage (can't use the gun).
Defeat the first boss without being hit.
Defeat the second boss without being hit.
Defeat the third boss without being hit.
Defeat the fourth boss without being hit.
Defeat the fifth boss without being hit.
Defeat the last boss without being hit.
Finish 1st Stg. with default health and no special attacks (mallet allowed).
Finish 2nd Stg. with default health and no special attacks.
Finish 3rd Stg. with default health and no special attacks.
Finish 4th Stg. with default health and no special attacks.
Finish 5th Stg. with default health and no special attacks(mallet and horn ok).
Finish 6th Stg. with default health and no special attacks.
Finish 7th Stg. with default health and no special attacks (mallet allowed).