The following are known GameShark Codes for G-Police: Weapons of Justice on Sony Playstation (PS1).

These codes were also known as Action Replay Codes outside the U.S. and later in the U.S. and are compatible with both devices.

• Movies Open & Not Played
  8004025C 0000
  8004025E 0000
  80040260 FFFF
  80040262 FFFF
• Movies Open & Played
  8004025C FFFF
  8004025E FFFF
  80040260 FFFF
  80040262 FFFF
• Music Open & Not Played
  80040264 0000
  80040266 0000
  80040268 FFFF
  8004026A FFFF
• Music Open & Played
  80040264 FFFF
  80040266 FFFF
  80040268 FFFF
  8004026A FFFF
• Missions Open & Not Played
  8004026C 0000
  8004026E 0000
  80040270 FFFF
  80040272 FFFF
• Missions Open & Played
  8004026C FFFF
  8004026E FFFF
  80040270 FFFF
  80040272 FFFF
• Artwork 1 Open & Not Viewed
  80040274 0000
  80040276 0000
  80040278 FFFF
  8004027A FFFF
• Artwork 1 Open & Viewed
  80040274 FFFF
  80040276 FFFF
  80040278 FFFF
  8004027A FFFF
• Artwork 1 Open & Not Viewed
  80040274 0000
  80040276 0000
  80040278 FFFF
  8004027A FFFF
• Artwork 1 Open & Viewed
  80040274 FFFF
  80040276 FFFF
  80040278 FFFF
  8004027A FFFF
• Artwork 2 Open & Not Viewed
  8004027C 0000
  8004027E 0000
  80040280 FFFF
  80040282 FFFF
• Artwork 2 Open & Viewed
  8004027C FFFF
  8004027E FFFF
  80040280 FFFF
  80040282 FFFF
• Artwork 3 Open & Not Viewed
  80040284 0000
  80040286 0000
  80040288 FFFF
  8004028A FFFF
• Artwork 3 Open & Viewed
  80040284 FFFF
  80040286 FFFF
  80040288 FFFF
  8004028A FFFF
• Artwork 4 Open & Not Viewed
  8004028C 0000
  8004028E 0000
  80040290 FFFF
  80040292 FFFF
• Artwork 4 Open & Viewed
  8004028C FFFF
  8004028E FFFF
  80040290 FFFF
  80040292 FFFF
• Artwork 5 Open & Not Viewed
  80040294 0000
  80040296 0000
  80040298 FFFF
  8004029A FFFF
• Artwork 5 Open & Viewed
  80040294 FFFF
  80040296 FFFF
  80040298 FFFF
  8004029A FFFF
• All Database Features Opened (Cheat Device 2.2 Or Higher Needed!)
  50002002 0000
  8004025C FFFF
• All 30 Missions Open Easy Difficulty
  300402A4 001F
  300402A5 0000
  300402A6 0000
• All 30 Missions Open Easy & Normal Difficulty
  300402A4 001F
  300402A5 001F
  300402A6 0000
• All 30 Missions Open & All Difficulties Open
  300402A4 001F
  300402A5 001F
  300402A6 001F

Level 16 Codes

• Infinite Shields
  801209F6 2400
  801216AA 2400
• Infinite Ammo
  80121EBE 2400
  8012248E 2400