The following are known Game Genie Codes for King’s Knight on Nintendo Entertainment System (NES).

• Infinite Energy
  GZVXTPSA
• Start With Double Usual Energy
  AOSUAOGE
• Start With Half Usual Energy
  TESUAOGA
• Start With A Better Character
  PESUTPAA
• Start With The Best Character Normally Possible
  ZESUTPAA
• Start With A Super Character
  IESUTPAA
• Only Lose 1 Energy Point When Hit
  OTVXAPSV
  PAVXPPAP