Sega Master System Cheats - Space Harrier 3D

2D mode:

Complete the game with a score that qualifies for a sixth or higher position on the high score screen. Enter THREE as a name on the high score screen with controller two. Note: The letters in the name will not be displayed during entry.

Level select:

Complete the game with a score that qualifies for a sixth or higher position on the high score screen. Enter LEVEL as a name on the high score screen with controller two. Note: The letters in the name will not be displayed during entry.

Sound test:

Complete the game with a score that qualifies for a sixth or higher position on the high score screen. Enter SOUND as a name on the high score screen with controller two. Note: The letters in the name will not be displayed during entry.

Continue game play:

Press Up, 2, 1, 2, 1, 1 at the game over screen.

Secret message:

Activate sound test, select sounds 7, 4, 3, 7, 4, 8 and exit. A secret message will appear.