Gradius Advance
  
Gameboy Advance


  


All Weapons: 


  Pause the game and press Up, Up, Down, Down, L, R, L, R, B, then A. When you 
  unpause the game you should have full power-ups. This code only works a few 
  times a game. also...


  


  Self-destruct: 


  Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, B, A. 
  When you unpause the game you'll have full power-ups for a few short seconds 
  then you'll self-destruct. 



Thanks to Revolution reader Jim Brodhagen II!