ROM Hack GBA Doom wad conversions (open for suggestions!)

ShadowOne333 · 2026-07-24T16:30:42+0100

Bazooka_Face said:
this is wolfensteins engine with a custom in house renderer for gba. i optimized the raycaster until we hit 60fps then ported the state machines, mechanics and wolf 3d data over one at a time. the font looks bad because its scaled from the full dos framebuffer to the small gba screen. Also I am going to post the update where I adjusted fifa timing for audio. It was incorrect and crackling.

If you want to, I could rework the font to make it look better, I can do some sprite art, so modifying it to look better on the GBA screen could be something feasible on my end, both for Wolf3D and Spear of Destiny

FoTan432 · 2026-07-24T18:38:52+0100

Thx Nikokaro! I got it running. It's so good

And thx Bazooka !

SylverReZ · 2026-07-25T00:45:51+0100

FoTan432 said:
Ah man.. I'm sorry, I'm too much of a dummy, to figure this all out. I'd love to play those too, this 'smoothdoom' thingy and this new Wolfenstein... but I don't know how.

When I extract them, I get:
- smoothdoom gba.xdelta
- wolfd3d gba better.xdelta

Would anyone be so kind, as to tell me, what exactly I have to do now with those 2, to get them to run on my GBA ?

I tried patching them my original rom files at this address: https://www.marcrobledo.com/RomPatcher.js/ but it always gives me an error message.

https://www.romhacking.net/utilities/704/

I recommend patching a clean "Wolfenstein 3D" GBA ROM using the Delta Patcher tool. The same goes for your ROM of "Doom."

The online ROM patcher last time I tried to use it didn't work.

FoTan432 · 2026-07-25T10:02:24+0100

Yes, I managed to do it

Thx

It's so nice to have a good running Wolfenstein on the GBA. And also the refinements on Doom are really, really cool. It is still incredible to me, how this all runs so much better, than the retail releases ever could!

ROM Hack GBA Doom wad conversions (open for suggestions!)

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