Password - Hidden Versions | |
| When playing Gunstar Heroes, open the menu screen and hold Right for 10 seconds on the region select option. You will unlock the Prototype version. Hold Right for another 10 seconds. You will unlock the Game Gear version.When playing Dynamite Headdy, open the menu screen and hold Right for 10 seconds on the region select option. You will unlock the Master System version. Hold Right for another 10 seconds. You will unlock the Game Gear version.These extra versions can be saved into your system file. | |
Password - Dynamite Headdy | |
| Enter this code where it says start game and options. (The buttons used to enter the code are according to the default control setting) After the code is entered press start to choose your level | |
| Level Select | O, Square, Left, Right, X, Start |
Password - Alien Soldier | |
| These are all for the Easy difficulty setting. Enter these codes at the password screen then select set. | |
| Level 1 | 1985 |
| Level 10 | 8316 |
| Level 11 | 6402 |
| Level 12 | 9874 |
| Level 13 | 1930 |
| Level 14 | 2623 |
| Level 15 | 6385 |
| Level 16 | 7749 |
| Level 17 | 3278 |
| Level 18 | 1039 |
| Level 19 | 9002 |
| Level 2 | 3698 |
| Level 20 | 2878 |
| Level 21 | 3894 |
| Level 6 | 8790 |
| Level 7 | 5196 |
| Level 8 | 4569 |
| Level 9 | 8091 |
| Level 3 | 0257 |
| Level 4 | 3745 |
| Level 5 | 7551 |
| Level 23 | 2825 |
| Level 24 | 7406 |
| Level 25 | 5289 |
| Level 22 | 4913 |
Unlockable - Unlockable Artwork | |
| Beat Gunstar Heroes (continues permitted) to unlock scans of the Lunatic Gunstar artbook. | |
