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MDK Codebreaker Codes (NTSC-U)

This page contains CodeBreaker cheat codes for MDK (NTSC-U) for the Playstation 1. Depending on if you're playing this game on a physical console or an emulator will determine how you use the codes found on this page. People using a physical console will need to purchase a physical CodeBreaker device to use the codes.

Anyone who is using an Emulator will have a much easier time getting these codes to work (assuming your Emulator supports them). One of the most popular Emulators for the Ps1 is ePSXe and if you'd like to learn how to use the codes on this page for that Emulator, check out my how to get cheat codes to work with ePSXe guide. If you don't see the code you want on this page I recommend you return to my MDK Guides Index and choose a different section.


Infinite Energy: 800CB740 03E7

Infinite Chain Gun: 800CB80C 00C8

Infinite Sniper Weapon #2: 800CB810 0063

Infinite Sniper Granade: 800CB814 0063

Infinite Sniper Weapon #4: 800CB818 0063

Infinite Motar Shots: 800CB81C 0063

Infinite Sniper Weapon #6: 800CB820 0063

Always Have Worlds Smallest Nuke On Pick Up: 800CB7FC 0001

Infinate Homing Bullets On Pickup: 800CB810 0007

Number Of Bombs Never Go Down When Bombing In Jet: 800BDA08 0009


Infinite 1st 3 Items

800CB80C 0009
800CB770 0009
800CB794 0004


Population Meter Never Decreases
The green circle around the health meter

D00C3ECA 1A41
800C3ECA 1A42
D00C3ED2 1A5D
800C3ED2 1A5E