The following are known Game Genie Codes for NHLPA Hockey 93 on Super Nintendo (SNES).

• Period Clock Runs Faster
  F160-4776
• Period Clock Runs Slower
  D060-4776
• Period Clock Runs Much Faster
  0D60-4776
• Period Clock Runs Much Slower
  DF60-4776
• Period Clock Is Frozen (No Time Limit)
  C269-4D86
• Each Period Lasts 1 Minute Instead Of 10 Minutes
  7AE8-4D98
  DDE8-4DB8
• Each Period Lasts 2 Minutes
  56E8-4D98
  DDE8-4DB8
• Each Period Lasts 3 Minutes
  80E8-4D98
  DDE8-4DB8
• Each Period Lasts 4 Minutes
  EDE8-4D98
  DDE8-4DB8
• Each Period Lasts 15 Minutes
  60E8-4D98
  D7E8-4DB8
• Each Period Lasts 30 Minutes
  D6E8-4D98
  D5E8-4DB8
• Each Period Lasts 40 Minutes
  1DE8-4D98
  DBE8-4DB8
• Each Period Lasts 60 Minutes
  FDE8-4D98
  D3E8-4DB8
• All Penalties Last 1 Minute
  DF31-3F64
  CB31-3F04
• All Penalties Last 2 Minutes
  D431-3F64
  CB31-3F04
• All Penalties Last 3 Minutes
  D731-3F64
  CB31-3F04
• All Penalties Last 4 Minutes
  D031-3F64
  CB31-3F04
• All Penalties Last 5 Minutes
  D931-3F64
  CB31-3F04
• All Penalties Last 7 Minutes
  D531-3F64
  CB31-3F04
• All Penalties Last 9 Minutes
  DB31-3F64
  CB31-3F04