The following are known Game Genie Codes for Spy Hunter on Nintendo Entertainment System (NES).

• SXKAYOVK
  Infinite lives
• SZKUANVK
  Infinite missiles
• VXELTVSE
  Infinite smoke
• ZEEXKIAA
  Start with 2 extra lives
• TEEXKIAA
  Start with 6 extra lives
• TEEXLILA
  2X missiles on pick up
• YAEZNIYE
  Slower timer
• GXSAKUSE + GXSANUSE
  Keep special weapons