Doom fix patch

Doom fix patch 2025-05-11

This is an unofficial patch that makes a number of fixes and improvements on the original Japanese Sega Saturn release of Doom.

See the Updates for the list of what it fixes / changes.

If you're interested, the minute details of the patch are listed in 2 files (not yet updated for v0.2) :
Details on what the pach is doing to improve startup speed and performance : https://www.doomworld.com/forum/post/2917023
Author
fafling
Downloads
3,154
Views
12,616
First release
Last update

Ratings

4.83 star(s) 12 ratings

Latest updates

  1. v0.2.1

    In the initial logo sequence : Adds SegaXtreme 30th anniversary Saturn competition logo based...
  2. v0.2

    Reinserts the unused high res ID logo. Speeds up the start up of the game. New controls during...
  3. v0.1

    The nightmare difficulty is available in the main menu and saved in passwords as implemented in...

Latest reviews

I vote in favor of giving this patch of DOOM for Saturn the name:
"DOOM: John Carmack's NIGHTMARE"

Because this is TOTALLY what could've been on the Saturn! Highly recommended for DOOM Saturn play!
I was excited to see my old Drift King resource overtaken; and by a project like this is just icing on the cake. This patch is nothing short of witchcraft, makes the game so much more playable and enjoyable. I look forward to what else can be improved and maybe even the porting of additional levels/content to the Saturn.
Seriously fantastic work man! I'm having a real blast finally being able to enjoy Saturn doom after all these years.
Awesome - THX!
OK! Let me explain. At the moment I play all my original Sega Saturn games on the Polymega where i am able to apply various hacks and patches to games in my current library. Currently I have over 400 original titles that i own physically. Unfortunately I am unable to patch my Japanese copy of Doom for the Saturn via the Polymega interface. Most of my patches work. For example, Doom for the 32x I was able to apply the patch successfully.
F
fafling
Well you'll have to report that issue to Polymega. The only patching method that I support is the one described in the patch readme, using the Sega Saturn Patcher program supplied with the patch.
This update is a game changer. Well done. It makes Doom on the Saturn playable now, not a slideshow anymore. Thank you so much!
Better version !
Well.. why did tracks double? The result no error is a gigabyte can't disc this
F
fafling
Did you apply the patch to the japanese redump image with the supplied Sega Saturn patcher ?
Boy oh boy, what do we have over here... A fix patch that finally makes the Saturn Doom port much better, even if only slightly! Gone is the horribly low-pitched tone of all sound effects, corrected to match that of the PSX port/D64. Fireball explosions now have their original sound effect restored, instead of confusingly retaining the rocket/barrel explosion sound effect. The main menu now plays its own song like the PSX port as well. Other audio tweaks, which I don't really notice (because I'm an emulator guy), also exist, most probably easier to notice if you're on the console.

Although still barely noticeable, game speed is slightly faster at less complicated areas, so it's not all slideshow fest. Since this patch is meant for the Japanese release, it might be worth noting that this is a nod to an old urban myth that the Japanese release was faster than the US/Europe release. A pretty good one at that, even if still rather preliminary.

5/5 Does exactly what it says it fixes. Let's see if we can get another update that fixes other stuff, such as the height at which Doomguy makes his notable grunt noise and a firing speed adjustment in the not-too distant future. (Patch version is 0.1 as of when this was written.)
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