Shockwave: Operation Jumpgate

Codes

• In-Game Codes

  Pause and enter the code:
  

  Effect	Code
  Display Player's Name	B, A, B, X
  Display Programmers Message	B, A, C, A, C, A, X
  Increase Mission Number	C, A, A, A, A, C, A, X
  Invincibility	A, B, A, C, A, A, B, A, X
  Refill Weapons	B, A, A, A, A, B, A, X
  Skip Mission	B, A, C, C, A, A, A, X
  Smart Bombs	A, C, A, B, A, A, C, A, A, A, X
  Super Lasers	C, A, A, B, A, C, A, X
  Super Missiles	C, A, A, B, A, X

Secrets

Bonus Level

Finish the game, and wait through the credits. There is a bonus level to play called Cake Walk.