The version so different, it needs its own page.

There are 3 distinct 'versions' of PC. The original CDROM release, the oxide-NL patch, and the Good Old Games (GOG) release.

Forum post from Stanev(?)

Mirror of Forum Post

• Released in 2000
• Developed by Digital Dialect
• Michael Case - Producer and sound programming
• Dimiter Stanev - Main PSX conversion programming
• Dmitry Belay - Main PC specific programming
• Eduard Sereda - PSX graphics emulation programming

oxide-NL patch released in fall 2016, allowing modern Windows OS to play the game with less difficulty. It includes a custom splash screen for Kojima Productions as a jab against Konami, some compatibility fixes, and the ability to scale the game up to 4K.

Good Old Games released in September 2020, becoming the de facto PC release. It includes a new launcher, fixes for multiple bugs, better upscaling options, and a functioning windowed software mode.

• Multimedia PC with a Pentium II 266 MHz or higher, or 233 MHz with 4MB 3D Accelerator
• DirectX 7 Video Cards
• Windows 95 or later
• 32 MB of RAM
• 400 MB of hard disk space
• Quad speed or faster CD-ROM drive
• Super VGA 16-bit color monitor

• ALT+TAB affecting audio triggers was a known bug, according to the Readme.
• Many Graphics Cards of the period had known issues resolvable from video drivers, according to the Readme.
• Audio quality is rather poor. Certain music tracks do not loop properly or play at the wrong time compared to the Playstation version.
• No analog support, diagonals will input for longer than held. You must press one direction than another (e.g. up then left) to avoid this

• Weapon Hotkeys on keyboard, 1 through 0
• Able to skip codecs with ESC
• Can quickly save anywhere by pressing ESC
• The credits and epilogue can be skipped with ESC
• Software Mode/Hardware Mode options for rendering, Software mode loads faster.

• Weapon Hotkeys were poorly implemented. You can equip weapons during in-game cutscenes, in the Console release you lose control during in-game cutscenes.

• Weapon Hotkeys were poorly implemented. You can cancel the animation of entering the PSG1 with another weapon, entering a God Mode State. If you end in a crouch, Snake will not be able to interact with triggers. If you open up a door before doing this, you can go Out of Bounds in most areas.

• The elevator in Tower B does not work, you cannot return up the Tower. To go back, you must use cardboard boxes with the Snowfield Truck.

• FMVs do not work on Oxide-NL patch. Fixed with GOG release.

• Random flashing can occur on certain cutscenes on Oxide-NL patch. Fixed with GOG release.

• Uncommon bug where you are locked into the gas filled Command Room even though you called Otacon. Fixed with GOG release.

• The game can crash easily if you do not play with a certain number of cores, this depends on your CPU. Typically 0 and 1 is best.

• On the GOG version, Grey Fox monologue after REX 1 can softlock. Having 0 to 4 CPU cores helps. This depends on your CPU.