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

Note: Effects switch must be on before Tip-Off.
• SGFB-3EVN + NWFB-36BT
  Visitor’s baskets worth 1 point more
• SGFB-3JVN + NWFB-36BT
  Visitor’s baskets worth 2 points more
• SGFB-3NVN + NWFB-36BT
  Visitor’s baskets worth 3 points more points more
• SGFB-3TVN + NWFB-36BT
  Visitor’s baskets worth 4 points more
• SGFB-3YVN + NWFB-36BT
  Visitor’s baskets worth 5 points more
• SGFB-32VN + NWFB-36BT
  Visitor’s baskets worth 6 points more
• SGFB-36VN + NWFB-36BT
  Visitor’s baskets worth 7 points more
• SGFB-3AVN + NWFB-36BT
  Visitor’s baskets worth 8 points more
• SGFB-3EV6 + NWFB-36CA
  Home’s baskets worth 1 point more
• SGFB-3JV6 + NWFB-36CA
  Home’s baskets worth 2 points more
• SGFB-3NV6 + NWFB-36CA
  Home’s baskets worth 3 points more
• SGFB-3TV6 + NWFB-36CA
  Home’s baskets worth 4 points more
• SGFB-3YV6 + NWFB-36CA
  Home’s baskets worth 5 points more
• SGFB-32V6 + NWFB-36CA
  Home’s baskets worth 6 points more
• SGFB-36V6 + NWFB-36CA
  Home’s baskets worth 7 points more
• SGFB-3AV6 + NWFB-36CA
  Home’s baskets worth 8 points more
• RGPV-46Y2
  All players have super defensive ability
• BWPV-4A74
  All players have super interception ability
• BWPV-4A8W
  All players have super dunk ability
• BWPV-4A7C
  All players are always “on fire”
• BWRB-4A2C
  All players have infinite turbo
• BWRB-4A24
  “Juice” mode
• BWPV-4A9J
  Shot success percentages displayed for all non-dunk shots.

Note: For all “Timer” codes be sure to leave “Speed” on 3.

• AA4V-J8N0
  Timer counts down slower than setting 1
• AA4V-K8E0
  Timer counts down VERY slowly
• AA4V-J860
  Timer counts down faster than setting 5
• AA4V-K860
  Timer counts down very fast
• AAEV-LADR
  Only need 1 basket to be “on fire”
• AEEV-LADR
  Only need 2 baskets to be “on fire”
• AWEV-2AFG + ANEV-LADR
  Need 4 baskets to be “on fire”
• A0EV-2AFG + ATEV-LADR
  Need 5 baskets to be “on fire”
• A4EV-2AFG + AYEV-LADR
  Need 6 baskets to be “on fire”
• A8EV-2AFG + A2EV-LADR
  Need 7 baskets to be “on fire”
• BCEV-2AFG + A6EV-LADR
  Need 8 baskets to be “on fire”
• BGEV-2AFG + BAEV-LADR
  Need 9 baskets to be “on fire”
• BLEV-2AFG + BEEV-LADR
  Need 10 baskets to be “on fire”
• BLEV-2A9T
  Players 1 and 3 stay “on fire” when the other team scores
• BLFB-2A2A
  Players 2 and 4 stay “on fire” when the other team scores
• AC2B-JACT
  Turbo bar never goes up (until next quarter)
• AC2B-J6CT
  Turbo bar restores extremely slowly
• AC2B-KLCT
  Turbo bar restores much slower
• AC2B-K4CT
  Turbo bar restores slower
• AC2B-JAWT
  Turbo bar restores faster
• AC2B-KAWT
  Turbo bar restores much faster
• AC2B-JDCT
  Turbo bar restores extremely fast
• ABWB-LJA6
  Player 1’s turbo drains very slowly
• ABWB-LWA6
  Player 1’s turbo drains slower
• ABWB-MAA6
  Player 1’s turbo drains slightly slower
• ABWB-LEJ6
  Player 1’s turbo drains slightly faster
• ABWB-L4J6
  Player 1’s turbo drains faster
• ABWB-MTJ6
  Player 1’s turbo drains very fast
• ABWB-LJDT
  Player 2’s turbo drains very slowly
• ABWB-LWDT
  Player 2’s turbo drains slower
• ABWB-MADT
  Player 2’s turbo drains slightly slower
• ABWB-LEMT
  Player 2’s turbo drains slightly faster
• ABWB-L4MT
  Player 2’s turbo drains faster
• ABWB-MTMT
  Player 2’s turbo drains very fast
• ABWB-LJGE
  Player 3’s turbo drains very slowly
• ABWB-LWGE
  Player 3’s turbo drains slower
• ABWB-MAGE
  Player 3’s turbo drains slightly slower
• ABWB-LERE
  Player 3’s turbo drains slightly faster
• ABWB-L4RE
  Player 3’s turbo drains faster
• ABWB-MTRE
  Player 3’s turbo drains very fast
• ABWV-LJA2
  Player 4’s turbo drains very slowly
• ABWV-LWA2
  Player 4’s turbo drains slower
• ABWV-MAA2
  Player 4’s turbo drains slightly slower
• ABWV-LEJ2
  Player 4’s turbo drains slightly faster
• ABWV-L4J2
  Player 4’s turbo drains faster
• ABWV-MTJ2
  Player 4’s turbo drains very fast
• TBXV-4DC4 + 97XV-4BC6 + RFBB-46X6
  Enter AA in the initial entry screen and all power-ups (Codes 17 thru 21) will be enabled.