The following are known Game Genie Codes for Chase H.Q. on SEGA Game Gear.

• Infinite Turbos
  006 B4D 3BE
• Timer Starts At 50 Seconds (1st Life)
  324 74D 10A
• Timer Starts At 70 Seconds (1st Life)
  464 74D 10A
• Timer Starts At 90 Seconds (1st Life)
  5A4 74D 10A
• Timer Starts At 50 Seconds (After 1st Life)
  327 61C 10A