The following are known Game Genie Codes for NHL Hockey on SEGA Genesis.

• RH9A-R6ZN
  Master Code – Must Be On
• YXBT-AY9E
  Timer runs at 10x normal speed
• 95BT-B8HE
  Timer runs at 3x normal speed
• LXBT-BLHE
  Timer runs at 2x normal speed
• L1BT-ALHE
  Timer runs at 1/2x normal speed
• V5BT-AGHE
  Timer runs at 1/3x normal speed
• CHBT-ACHE
  Timer runs at 1/10x normal speed
• ADBT-AAHE
  Freeze timer
• ALSA-AAEN
  Penalty timers run at 10x normal speed
• BCSA-AAEN
  Penalty timers run at 3x normal speed
• BWSA-AAEN
  Penalty timers run at 2x normal speed
• GCSA-AAEN
  Penalty timers run at 1/2x normal speed
• KCSA-AAEN
  Penalty timers run at 1/3x normal speed
• 8CSA-AAEN
  Penalty timers run at 1/10x normal speed
• ACSA-AA58
  Freeze penalty timers
• AVDA-AAF4 + AWPA-BE42
  Play 4-on-4 instead of 6-on-6
• AZDA-AAF4 + A0PA-BE42
  Play 5-on-5 instead of 6-on-6