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

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

• Master Code – Must Be On
  97683436 2859
  30B6CEF4 D051
  30B20E97 D155
• Infinite Health
  E0400BC4 F824
• Infinite Credits
  3F9ED421 5620
• Max Hit Points
  34A5ED9B 24AE
• Quick Shot
  48920345 D135
• Stop Timer
  399EC76D 9340
• Low Total Time
  BE531440 5DA4