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

• Infinite Ammo On Pick-Up
  GZUXXKVS
• More Bullets Picked Up From Small Dinosaurs
  PAVPAGZE
• Fewer Bullets Picked Up From Small Dinosaurs
  PAVPAGZA
• Infinite Lives
  GZEULOVK
  Note: This code only works for the first two levels.
• Immune To Most Attacks
  ATVGZOSA
• Infinite Health
  SZVGZOSE
• Infinite Lives
  SZEULOVK
• Infinite Bullets
  SZUXXKVS