The following are known Game Genie Codes for NBA Jam on SEGA Game Gear.

• Player 1’s Baskets Always Worth 1
  3CA-419-E68
• Player 1’s 3-pt. Shots Worth 2
  3EA-3B9-C45
  02A-3C9-194
• Player 1’s 2-pt. Shots Worth 3
  3EA-3B9-C45
  03A-3C9-194
• Player 1’s Baskets Always Worth 4
  3EA-3B9-C45
  04A-3C9-194
• Player 1’s Baskets Always Worth 5
  3EA-3B9-C45
  05A-3C9-194
• Player 1’s Baskets Always Worth 6
  3EA-3B9-C45
  06A-3C9-194
• Player 1’s Baskets Always Worth 7
  3EA-3B9-C45
  07A-3C9-194
• Player 1’s Baskets Always Worth 8
  3EA-3B9-C45
  08A-3C9-194
• Player 2’s Baskets Always Worth 1
  3CA-5E9-E68
• Player Has Super Dunk Ability
  07E-214-C46
• Player Has Infinite Turbo
  07E-0F4-C46
• Player Is Permanently “On Fire”
  07E-334-C46
• Player Has Enhanced Interception Ability
  07D-EB4-C46
• Player Has Enhanced Defensive Ability
  00D-E34-F7A
• “Juice” Mode
  07E-454-D56
• Shot Success Percentages Displayed For All Non-Dunk Shots
  07D-FD4-C46
• Turbo Drains Very Slowly
  0ED-2AA-5D2
• Turbo Drains Slower
  15D-2AA-5D2
• Turbo Drains Slightly Slower
  1DD-2AA-5D2
• Turbo Drains Slightly Faster
  40D-2AA-5D2
• Turbo Drains Faster
  50D-2AA-5D2
• Turbo Drains Very Quickly
  81D-2AA-5D2
• Turbo Doesn’t Recharge Until End Of Quarter
  C9D 5DA 91D
• Infinite Shot Clock Time
  001 4CD 19E
• 3-Second Shot Clock For Computer
  031 25A 80A
• 5-Second Shot Clock For Computer
  051 25A 80A
• 15-Second Shot Clock For Computer
  0F1 25A 80A
• Gravity Mode 1
  007 D09 E62
• Gravity Mode 2
  017 D09 E62
• Infinite Time
  3A5 D9E 2A2
• 1-Minute Quarters
  018 C7F E66
  01A C6F E66
• 1-Shot Game
  008 C7F E66
  00A C6F E66
• 9-Minute Quarters
  098 C7F E66
  09A C6F E66
• 1-Minute Quarters
  018 C7F E66
  01A C6F E66
• Computer Can’t Score
  3AA 5F9 2A2
• Games Last 3 Quarters
  028 8CF E6E
• Games Last 2 Quarters
  038 8CF E6E
• Shot Clock Always Displayed
  200 CFD C46