Metal Gear Cheats, Codes & Passwords

Last Updated on Sep 21, 2023

This page contains cheats, hints, Easter eggs, secrets, and tips for Metal Gear. We will continually update this page when we come across more useful cheats and tips.

Metal Gear Cheats For NES

Avoid Holes In The Ground

Every now and then you'll come across holes in the ground that will swallow up your character. If you quickly pause and unpause the game as soon as they start to appear it will freeze them and you can safely walk by.

Timer Reset

When you're escaping the final level you can have Solid Snake smoke a cigarette and it will reset the timer.

Passwords

To enter the following passwords, go to Continue on the main menu.

Password Effect	Password
Have all weapons and all items	21Z1C GZZZG UOOOU UYRZZ NTOZ3
First Compound	31111 11211 11111 11111 11114
Jail Stage	3LLLL LLLLL LLLLL LLLLL LLLLL
Start a new game with 4-star rank	51222 22222 22222 22222 22222
Start a new game with all the key cards	21111 1Z111 11111 11111 111BI
Start at the Final Boss	5ZRZX OZZZG COO1U UYRZZ NZRZV
End of the game	TOOOU TOOOU TOOOU TOOOU TOOOU

Metal Gear Game Genie Codes

The following cheat codes are for Game Genie. These can be used on a Nintendo Entertainment System (NES) with a Game Genie device or you can use these on any emulator that supports Game Genie Codes. If you want a Game Genie Device, you can always check on Amazon for one.

Cheat Effect	Cheat Code
Don't take damage from bullets	SZUYPZVG
Don't take damage from melee attacks	SXVTXZVG
Start at Mystery Location 1	ZASILYPA
Start at Mystery Location 2	GASILYPA
Start with a lot more health	XZVSAYVZ + PAVSPNTT + GEKSZYIE
Start with more health	XZVSAYVZ + PAVSPNTT + AEKSZYIE

More Cheats: NES