Debug Mode:

Play the original Xevious, and at the title screen, press Square + X + Start.


Black Ship:

First, highlight the Reset Option at the Title screen. Next, hold L1 + L2+ R1 + R2 + Start. The Game Start option should now be highlighted, press Start. Keep holding the buttons until your ship changes.


Fat Ship:

First, you have to get the Black Ship. Next, go back to the Title screen and highlight Exit in the Configuration Mode. Now start the game again by entering the Black Ship code above.


Five Continues:

Highlight Xevious 3D and hold L1 + L2 + R1 + R2, then press O. During the loading screen, continue to hold the buttons and quickly press O.


Hidden Ships:

Highlight Start Game at the Title screen and hold Left + Square + X + Start to play with the Heihachi ship. Or, hold Right+ Square + X + Start to play with the Paul Ship. Keep holding the buttons until your ship changes.