Fortified Zone - Cheats

At the game mode screen, enter the Sound Boy mode, then Program Play. Set any sequence of music tracks to play. Start playing it in the Through or Repeat. While the music plays, the pig character will walk around. Sometimes it'll bow to you. Press A+Start when it does so to reveal a hidden message.

Level Password
1 1111
2 3375
3 1681
4 1122

Locate an energy unit after one of your fighters is killed. Stand near the energy, press Select, and choose the dead character to receive the energy.

During gameplay, hold Up and press Start + Select to instantly switch players without using the Options menu.

Enter AAAA as a passwords for unlimited lives as a male, or BBBB as a password for unlimited lives as a female.