Cheats, Secrets, Tips & Tricks

Have More Time
Begin game play in two-player mode with a single player. Bonus time is awarded to the player that completes the course first. Since player two is not a participant, player one will always collect the bonus time.

Game Genie Codes

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

• Extra 20 Seconds To Complete Beginner Race
  GOOZPLAA
• Extra 40 Seconds To Complete Beginner Race
  AXOZPLAE
• Bonus Time Not Added
  GXEXTLEL
• Infinite Time
  OXVXLZVS
• Play Game In Black And White Mode
  OXOYEGSX
  YOOYOGZE