Complete planet Mars.

Complete planet Moleworld.

Complete Planet X.

Complete planet(?) Mexico..?

Complete planet(?) The Haunted Castle.

Complete planet(?) Marvin's House.

Defeat the Martian elephant without taking damage. (Level Select allowed.)

Defeat the mole drill without taking damage. (Level Select allowed.)

Defeat Drago Worm without taking damage. (Level Select allowed.)

Defeat El Toro without taking damage. (Level Select allowed.)

Defeat Mad Scientist without taking damage. (Level Select allowed.)

Defeat Marvin the Martian without taking damage. (Level Select allowed.)

Defeat the Martian elephant without taking damage or spinning during trunk-spin.

Start on Mars 01, after first checkpoint, finish Mars without dying. (Level Select allowed.)

Start on Moleworld 01, after first checkpoint, finish MW 03 without dying. (Level Select allowed.)

Start on Planet X 01, after first checkpoint, finish PX 03 without dying. (Level Select allowed.)

Start on Mexico 01, after first checkpoint, finish MX 03 without dying. (Level Select allowed.)

Start on Haunted 01, after first checkpoint, finish HC 03 without dying. (Level Select allowed.)

Start on Marvin 01, after first checkpoint, finish MH 03 without dying. (Level Select allowed.)

Obtain the 'maximum' of 9 continues while on Mars. (Cheats disabled.)