The following are known Code Breaker Codes for Kill.Switch on Nintendo Game Boy Advance (GBA).

These codes are for the U.S. version of the game.

• Master Code – Must Be On
  00009D2E 000A
  10005AA8 0007
• Unlock Customize Options
  8200000C FFFF
• Infinite Timer on Countdown Missions
  330400C0 001E
• Health
  83005EFC 0400
• Quick Score Gain
  830001AC FFFF
• Max Score
  830001AC E0FF
  830001AE 05F5
• Hold B To Delay Grenades
  74000130 03FD
  8300735E 0C00

Infinite Ammo codes

• M-16
  330000A0 00C8
• Shotgun
  330000A4 001E
• M4 Machine Gun
  330000A6 00FF
• Grenades
  330000A8 0063
• Flash Grenades
  330000AA 0063