The following are known Code Breaker Codes for Grand Theft Auto on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  00000000 0002
  1006534A 0007
• Infinite Health
  32000F22 0064
  3202582A 0064
• 6-Star “Wanted” Rating – True
  32030340 0006
• 6-Star “Wanted” Rating – On-Screen
  3202581A 0006
• Infinite Time
  82025818 0000
• Infinite Ammo
  4200108E 00FF
  0000000B 0008
• Car Weapon
  820010E4 010C
  320010E6 00FF
• Have All Weapons
  4200108C 0101
  0001000B 0008
• Zero Wanted Level
  32030340 0000
  3202581A 0000
• Infinite Armor
  320079A0 0064
  32025828 0064
• Infinite Money
  8202581C FFFF
  82025824 FFFF
• Max Money
  8202581C E0FF
  8202581E 05F5
  82025824 E0FF
  82025826 05F5
• Have All Weapons/Infinite Ammo
  4200108C 0101
  0001000F 0008
  4200108E 00FF
  0000000F 0008
• Max Amount Of Arrests In Vigilante
  320360F2 0063
  320360F5 0063

Statistics Modifier Codes

• Paramedic Level Modifier
  32000D88 00??
• Cars Exploded Modifier
  82000DB4 ????
• Times Busted Modifier
  82000DB6 ????
• Wasted Modifier
  82000DB8 ????
• Wasted By Others Modifier
  82000DBA ????
• Thugs Wasted Modifier
  82000DBC ????
• Hospital Visits Modifier
  82000DBE ????
• Taxi Passengers Modifier
  32000DC0 00??
• Portland Vigilante Modifier
  32000DC1 00??
• Miles Walked Modifier
  82000DC4 ????
• Miles Driven Modifier
  82000DC6 ????
• Taxi Cash Modifier
  82000DC8 ????
• Days Passed Modifier
  82000DCA ????
• Mission Attempts Modifier
  82000DD2 ????
• Criminals Wasted Modifier
  32000DD4 00??
• Rampages Total Modifier
  32000DD5 00??