- Bonus characters
Successfully complete the indicated task to unlock the corresponding character:

Monster	Get thirty Gold trophies in Hard mode.
Martian	Get twenty five Gold trophies in Hard mode.
Master	Successfully complete Hard mode.
Paper Bag	Get fifteen Gold trophies in Hard mode.
Bomberman	Get forty Platinum trophies in Hard mode.
Pumpkin	Get ten Gold trophies in Hard mode.
Snowman	Get five Gold trophies in Hard mode.
Easter	Get thirty five Gold trophies in Hard mode.
Space Suit	Get twenty Gold trophies in Hard mode.

- Bonus marbles
Successfully complete the indicated task to unlock the corresponding marble:

Panda	Take more than three minutes time to complete Stage 1-1.
Goldfish Bowl	Get twelve Gold trophies in Normal mode.
Football	Get twenty Gold trophies in Easy mode.
Frog	Get eight Gold trophies in Normal mode.
Anglerfish	Successfully complete Challenge Stage 11 in the Sunken Depths in Normal mode.
Penguin	Get five Gold trophies in Normal mode.
Dog	Get one Gold trophy in Easy mode.
Baseball	Get thirty Gold trophies in Easy mode.
Pig	Get three Gold trophies in Normal mode.
Earth	Successfully complete Challenge Stage 11 in the Space Station in Normal mode.
Broken Television	Get thirty five Gold trophies in Normal mode.
Bomb	Get twenty Gold trophies in Normal mode.
Hedgehog	Get forty Gold trophies in Normal mode.
Saturn	Get thirty Gold trophies in Normal mode.
Figure Roller	Successfully complete Stage 10 in the Stump Temple in Normal mode.
Egg	Get sixteen Gold trophies in Normal mode.
UFO	Get twenty five Gold trophies in Normal mode.

- Hard mode
Successfully complete the game on the Normal difficulty to unlock the Hard difficulty.

- Activate Cheats
At the 'Options' menu at Anthony's house, select the '???' option. Select the lights in the correct order, then enter the symbolic code:

Mirror mode [Right Arrow] [Left Arrow] [Left Arrow] [Right Arrow], then Ladybug, Clover, Boy Face, Plane, Bus, Bike. While selecting a stage in Free mode, press 2 to play its mirrored version.
Master Higgins Ball [Right Arrow] [Left Arrow] [Left Arrow] [Right Arrow], then Square Robot Face, Car, Award Ribbon, Bike, Helicopter, Strawberry.

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