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

• Start With 1 Wrench
  PAOALPLA
• Start With 6 Wrenches
  TAOALPLA
• Start With 9 Wrenches
  PAOALPLE
• Infinite Wrenches
  SZKTPUVK
• One-Way Pipes From Level 1
  AAOGZZIA
• One-Way Pipes From Level 5
  IAOGAZLA
• One-Way Pipes From Level 10
  ZAOKPZLE
• Tunnels Galore
  KEUAUVSE
• Pumps Instead Of Reservoirs
  GPKIEGZP
• Pumps Before Reservoirs
  GPKIEGZP
  ZPKINGGP