Level select:
At the title screen, press L1, L2, L1, L2, L3, R1, R2, R1, R2, R3 to unlock all levels.
Phantom Jack and Santa Jack costumes:
At the title screen or while playing a game, press Down, Up, Right, Left, L3, R3 to unlock the Phantom Jack and Santa Jack costumes.
Infinite Fire Souls:
Collect all of the figures.
Dancing Jack costume:
Successfully complete the game to unlock the Dancing Jack costume.
Phantom Jack costume:
Get an "S" rank on all levels and successfully complete both secret chapters to unlock the Phantom Jack costume.
PJs Jack costume:
Successfully complete the game to unlock the PJs Jack costume.
Pumpkin King costume:
Defeat the spider Boss to unlock the Pumpkin King costume.
Santa Jack costume:
Defeat the Doctor to unlock the Santa Jack costume.
Thespian Jack costume:
Get an "A" rank on all levels to unlock the Thespian Jack costume.
Alternate costumes:
To change costumes, enter Jack's closet in his house.
Continue screen bonuses:
After losing your lives and the continue screen appears, try to stop the timer at the following times to get the corresponding bonus:
- 7.77: 500 souls
- 6.66: Single blinking pumpkin, no souls lost, but no full health
- 0.01: 500 souls, Crystal Bottles, Blue Souls, and Red Souls refilled (if you have a Gold Pumpkin)
Figures:
Get an "A" in all ranks in the indicated chapter to unlock the corresponding figure:
- Baby Spiders: Chapter 16
- Barrel: Chapter 11
- Behemoth: Chapter 9
- Clown: Chapter 12
- Corpse Kid: Chapter 21
- Doctor Finklestein: Chapter 8
- Fire and Ice Kings: Chapter 20
- Green Elf: Chapter 22
- Hanging Tree: Chapter 4
- Igor: Chapter 6
- Lock: Chapter 5
- Mayor: Chapter 14
- Mega Oogie: Chapter 24
- Mr Hyde: Chapter 19
- Oogie Boogie: Chapter 10
- Pumpkin King: Chapter 5
- Red Elf: Chapter 22
- Roulette Oogie: Chapter 17
- Sally: Chapter 18
- Sandy Claws: Chapter 23
- Santa Jack: Chapter 8
- Shadow Oogie: Chapter 1
- Shock: Chapter 7
- Short Witch: Chapter 2
- Super Spider: Chapter 16
- Tall Witch: Chapter 2
- The 3 Brats in a Tub: Chapter 15
- Vampire #1: Chapter 13
- Vampire #2: Chapter 13
- Vampire #3: Chapter 13
- Vampire #4: Chapter 13
- Zero: Chapter 3
Defeat all monsters in the indicated location to unlock the corresponding figure:
- Blue Skeleton: Hidden Place 6
- Halloween Ghost: Hidden Place 8
- Heat Skeleton: Hidden Place 1
- King Ghost: Hidden Place 3
- King Skeleton: Hidden Place 16
- Orc Skeleton: Hidden Place 11
- Trick and Treat: Hidden Place 17, after getting the Blue Ornament
- Troll Skeleton: Hidden Place 5
