Thunder Force 4 Cheats - Sega Genesis
Primary Collection of Cheats
Options menu
Press [Start] + [A] at the Sega logo. Set the number of ships to 0 for 99 ships. Various songs can also be played from this screen depending on which difficulty level was used to previously complete the game.
Weapon select
Pause game play, then press [Up], [Right], [A], [Down], [Right], [A], [Down], [Right], [A], [C], [Left], [Up], [B], [Up].