Beat the game in easy mode with any character without continuing or losing a round. Go to the title screen and highlight options. Hold L1, L2, R1, R2, Start and select. A comic strip should be displayed.
Hidden Mini Game
While the game is powering up, hold down the SELECT and START buttons on the player two controller. keep holding down the buttons as the developer's logo appears on the screen and Phalanx!, a full-length shooter, will appear.
Phalanx! Invulnerability
For invincibility, go to Phalanx's option screen, highlight the speed aption and press Left/Up, L2, R2, and Triangle at the same time. The background screen should turn red. To access the game, see other code.