Blast Radius
All ships powered up:
Press Right, L1, Up(2), Down, Right, R2, L2, R2, Down, Up, Down at the main
menu. The sound of an explosion will confirm correct code entry. Select any
ship, begin game play, then quit. All four ships will now be powered-up and
Sector 5 will be available for game play.
Wraith ship:
Enable the "All ships powered up" code. Then, press Left, Right, L1, Left,
Right, L1, R2, R2, L2, Left, Right, Up at the main menu. The sound of an
explosion will confirm correct code entry. Select any ship, begin game play,
then quit. The Wraith ship and Sector 8 will be available for game play.
Alternate planets:
Press Down, Up, L1, Right, L1, Up, Right, Select, Right, R2, L1, L2 at the
main menu. The sound of an explosion will confirm correct code entry. Faces
of the development team will appear in the place of the planets in the
first four levels. The next four levels will have other objects replacing
the planets. Note: This code may not be enabled with the "All ships powered
up" or "Wraith ship" code.
Bonus levels:
Press L1, Left, L2, Down, Select, Left, Down, R2(3), Select, Up at the main
menu. The sound of an explosion will confirm correct code entry. Four bonus
missions that feature World War II aircraft and other hidden targets will
be accessible. Note: This code may not be enabled with the "All ships
powered up" or "Wraith ship" code.