For the purpose of this document, a glitch is any in-game phenomenon that is clearly not intended by the developers. Examples include skipping essential parts of the game and abnormal movement. All known glitches will be documented, even if they do not allow faster completion of the game.

• Underground Base Door
• Armory Door Softlock
• Swap Crawling
• Mantis Phase Skip
• Ninja Phase Skips
• Vent Glitch
• Nikita OoB
• Backstepping (example by J-N)
• Underwater Gasmask
• Meryl Interactions
• Liquid Incomplete Model
• Tank Softlock
• Box on Electric Floor Animation Glitch (Comparison)
• Sniper Wolf Stuck Animation by BlueMetal
• Skip Claymore Field - Underground Passage by BlueMetal

On January 19th J-N found a new skip for Metal Gear Solid: The Twin Snakes. After having played around with it for a bit he found out that simply going quickly back over the hump of the vent when the camera makes you look down let's you completely skip the 1st Master Miller Codec Call savin a few seconds with 0 effort.

Original Finding

Recreations:

• https://www.youtube.com/watch?v=6O65_yD-YHc
• https://youtu.be/MU8E9XtMgMs
• https://youtu.be/mG22V-Rp8RI
• https://youtu.be/p7nrh0P3WWQ

found by Mateoski and uploaded on 2018-01-18
Shows how Snake moves out of the Nuke Building 1F back to the Canyon, but instead of loading into the level the game over screen appears.

Documented again by BlueMetal here:
https://clips.twitch.tv/HonorableBlatantRabbitPanicVis

Originally posted by JN on March 31st 2026:

Using the menu item glitch and have its effect transfer over to the weapons menu, he was able to corrupt the memory of the gamecube leading to interesting effects like different textures being swapped and later on and entire removal of textures. This was initially done on the Dolphin Emulator.

Basic steps to recreate the weapons glitch was:

• throw a grenade to get hit with later on
• execute item menu glitch by getting the famas and an item into active selection (ration for example)
• lean against the wall and hold both triggers, then let go of the weapon menu and the stick to stop leaning, while holding the item menu open
• you should now be in the item menu glitch where the item menu is open but at the same time you can move around as the world is not paused as usual
• now get hit by the grenade, as you get hit, keep holding the item menu, but not additionally hold the weapon menu (both triggers)
• you should now have the item menu be open while both triggers are held and the world should be paused again
• let go of the item menu while keep holding down the weapon menu
• once you get up, the weapon menu should now be open and the effect of the item menu glitch is now active on the weapon menu glitch

from here, various actions can lead to further memory corruption

• shooting the famas
• scrolling the weapon menu

it's based off the earlier findings by ThrillUK in MGS3 as seen here and later more refined by MarlonH8 in MGS2 as seen here.

On April 1st, Hau5test attempted to recreate these findings on a real gamecube (Dol-1) with a PAL and NTSC-J copy each of MGSTTS – See the livestream vod here.

During that testing it was found, that the transfer of the item menu glitch to the weapons menu does not work on real hardware and thus seems like an emulation error. The key difference being, that when getting hit by a grenade or taking other types of damage, holding down the weapon menu in parallel to the item menu does not cause the item menu to show and the world to freeze, letting us transfer over the glitch from the item menu to the weapon menu. Instead the item menu glitch stays active and the world continues as the item menu stays open.

In order to activate the weapon menu glitch on real gamecube (and later test Wii hardware), you need to use an alternate method to execute the weapons glitch:

• throw a grenade to be hit by it later on (ideally near a wall)
• get the famas out (for example, it can be any weapon)
• now lean against the wall and hold L2 and R2, then quickly wiggle the left stick to go up and down the wall
• as you get hit by the grenade and get removed from the wall by taking damage
• keep holding the weapon menu and let go of the item menu
• stand up and press the item menu once more and let go of it (while still holding the weapon menu down)
• you should now have the weapons menu active and the world continue to run instead of freeze: the weapons menu glitch

This method also works on Metal Gear Solid 2 (and presumably Metal Gear Solid 3) as well.

Now on real gamecube and wii hardware, trying to shoot the famas after this execution is simply crashing the game. On GameCube you will have to fully shut down the console, on Wii you can soft reset the console. More smaller findings are part of the livestream vod: See the livestream vod here.

A few notes from the livestream:

• all rifles (famas, PSG1s and pistols) share the same ammo pool when shooting
• when shooting the famas, the bullet count of that weapon overflows that with the pistols and leading to corruption which crashes on original hardware (emulator can ignore these errors and continue running)
• in the options using grouped items and weapons this effect is stronger
• if the options is selected to use linear weapon and item menus, Snake still shoots every weapon, but the crash when switching from the famas to another weapon is only happening when going down the menu, not up
• shooting more than 6 bullets out of the famas will lead to the corruption (and crash)
• if you have equal or less bullets in your famas magazine than the amount of bullets the pistols can hold, the game does not crash

End result: further investigation needed, potential for ACE not fully dimissed yet!

Return to Metal Gear Solid: The Twin Snakes