Alien Soldier
These are all for the Easy difficulty setting Enter these codes at the password screen then select set
PasswordEffect1985Level 18316Level 106402Level 119874Level 121930Level 132623Level 146385Level 157749Level 163278Level 171039Level 189002Level 193698Level 22878Level 203894Level 214913Level 222825Level 237406Level 245289Level 250257Level 33745Level 47551Level 58790Level 65196Level 74569Level 88091Level 9Dynamite 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
CodeEffectO Square Left Right X StartLevel SelectHidden 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 versionWhen 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 versionThese extra versions can be saved into your system file
