The following are known Action Replay Codes for Urban Chaos on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

*Cop Killers* – Infinite Health
8019121C 00C8

*Cop Killers* – Inf Shotgun Ammo
8019582C 0005

*Semtex* – Inf Pistol Ammo
80194DCA 010F

*Media Trouble Level* – Inf Pistol Ammo
801955A2 010F

*Grim Gardens* – Infinite Health
80195A40 00C8

*Gatecrasher Level* – Infinite Health
80191A24 00C8

*Insane Assault* – Infinite Health
801918A8 00C8

*Transmission Terminated* – Infinite Health
80192CEC 00C8

*The Fallen* – Infinite Health
80194EF0 00C8

*Southside Offensive* – Inf Shotgun Ammo
80199234 0005

*Urban Shakedown Level* – Inf Pistol Ammo
80195906 010F

*Day of Reckoning* – Infinite Health
8018B09C 00C8

*Headline Hostage* – Stop Timer
800F7E34 13C0
801928E8 29A4

*Urban Shakedown Level* – Inf Shotgun Ammo
801985A0 0005

*Day of Reckoning* – Stop second timer
801894C8 128E
800F7E34 1440

*Estate of Emergency* – Infinite Health
8019288C 00C8

*Psycho Park* – Inf Shotgun Ammo
80199640 0005

*Auto-Destruct Level* – Infinite Health
80196F0C 00C8

*Day of Reckoning* – Stop first timer
80189108 AF2D

*Southside Offensive* – Infinite Health
80194954 00C8

*Cop Killers* – Inf Shotgun Ammo for Roper
80194E54 0005

*Target UC* – Infinite Health
801964D4 00C8

*Psycho Park* – Infinite Health
801947BC 00C8

*Headline Hostage* – Infinite Health
80195A78 00C8

*Media Trouble Level* – Infinite Health
801955A4 00C8

*Semtex* – Inf Shotgun Ammo
801992FC 0005

*Arms Breaker Level* – Infinite Health
80195194 00C8

*Transmission Terminated* – Inf Shotgun Ammo
80197630 0005

*Auto-Destruct Level* – Inf Shotgun Ammo
019A044 0005

*Seek, Sneak and Seize* – Infinite Health
801982BC 00C8

*Urban Shakedown Level* – Infinite Health
80195908 00C8

*Estate of Emergency* – Inf Health for Roper
8019490C 0190

*Semtex* – Infinite Health
80194DCC 00C8

*Southside Offensive* – Inf Shotgun Ammo
80199234 0005

*Arms Breaker Level* – Inf Pistol Ammo
80195192 010C

*The Fallen* – Infinite Shotgun Ammo
801993A4 0005

*Stern Revenge* – Infinite Shotgun Ammo
80198334 0005

*Target UC* – Stop Timer
800F7E34 1400
80194A60 A380
80194F00 8C1A

*Auto-Destruct Level* – Inf Pistol Ammo
8010A03C 010F

*Grim Gardens* – Inf Pistol Ammo
80195A3E 010F

*Media Trouble Level* – Inf Shotgun Ammo
8019907C 0005

*Arms Breaker Level* – Inf Shotgun Ammo
80199300 0005

*Day of Reckoning* – Infinite Health for Roper
8018A89C 0190