Secret Agent Cheats (PC)

U+V+K = 25 BULLETS
  Z+G+I = DISK & DYNAMITE
  B+O+N+D = LEVEL WARP
  P+J+X = INVULNERABILITY

To use the codes, hold all listed keys while playing. i.e., to gain a bomb, hold I + G +
Z. 

Code       Effect

P-J-X      God mode

B-O-N-D    Warp mode

U-V-K      Ammo

I-G-Z      Bomb