A test mode is still available in the game as a button cheat! To access it, press A, A, Left, Left, A, A, Left, Left, A, A, Left, Left, A, A, Left, Left, A, A, Left, Left, A, A, Left, Left, A, A, Left, Left, A, A. In this menu, you can choose from a variety of options. Press "A" and "B" to change the ones digit, and where applicable, Left and Right change the tens digit.
- XXXXXX: Unknown. Can switch between 0 and 1.
- WEAPON: Weapon select. Can choose from 00 to FF (Hex).
- GAGE: Life Meter select. Can switch between 04 (smallest) to 08 (largest).
- SOUND: Sound Test. Press Start to play the selected track.
- SPTEST: Sprite Test. Press Start to enter. A moves ahead one sprite, B moves back one sprite.
- BGTEST: Background Test. Press Start to enter. Press Up/Down to change the screen, Left/Right scrolls through the scenes horizontally (if applicable). Start exits.