Unlockable - Unlockable modes |
| Additional 3D modes | In Space Harrier 3D, select the red/blue 3D mode, and hold right for a few seconds. |
| Japanese Master System startup screen with Space Harrier music | In the archive mode for Sega Mark III Space Harrier, select the last image then press Start. |
| Game Gear Space Harrier | In the Space Harrier menu, select the Sega Mark III version, then continue to hold right for a few seconds until the Game Gear version appears. |
| Space Harrier sheet music | Complete the arcade version of Space Harrier. The sheet music will appear in the archive section for that game. |
