re-ALPHA - Half-Life Alpha 0.52 Reverse Engineered

BlackShadow · on04 Feb 2026, 16:57:02

Hello,

I'm sharing our project called re-Alpha. We have decompiled Alpha version of the game.

Engine code i believe mostly complete, game code (hl.dll) will be finished in future.

You can find source and more details here:

https://github.com/BlackShadow/re-ALPHA

Dermoker · **Reply #1:** on04 Feb 2026, 18:14:20

Based!

ComDoll · **Reply #2:** on04 Feb 2026, 19:15:23

After all these years, finally, i've got all three 0.52 reverse-engineers

Жblжa · **Reply #3:** on05 Feb 2026, 08:23:22

It's would be amazing if you also decompile a worldcraft

BlackShadow · **Reply #4:** on05 Feb 2026, 20:17:13

Quote from: Жblжa on 05 Feb 2026, 08:23:22

It's would be amazing if you also decompile a worldcraft

I thought about that. I may do that in future. I was also thinking creating tools for it.. StudioMDL / MDLDec / Map/MDL viewer etc...

ComDoll · **Reply #5:** on05 Feb 2026, 20:35:52

Quote from: BlackShadow on 05 Feb 2026, 20:17:13

I was also thinking creating tools for it.. StudioMDL / MDLDec

SalsaAlex made a model v6 compiler, it would be pretty dope if you finished it since it can't compile animation events yet.

hl_love_hl_live · **Reply #6:** on06 Feb 2026, 11:02:48

finally not goldsrc-ish hl alpha mod

BlackShadow · **Reply #7:** on06 Feb 2026, 15:51:54

We have released

StudioMDL and MDLDec!

https://github.com/BlackShadow/re-ALPHA/tree/main/src/tools

BlackShadow · **Reply #8:** on06 Feb 2026, 15:53:07

Quote from: ComDoll on 05 Feb 2026, 20:35:52

SalsaAlex made a model v6 compiler, it would be pretty dope if you finished it since it can't compile animation events yet.

We have created a full decompiler & compiler that supports anim events, anim blending

Жblжa · **Reply #9:** on06 Feb 2026, 19:46:29

now waiting for worldcraft

buildcubemaps · **Reply #10:** on07 Feb 2026, 16:36:14

How you decompile it? just interesting.

0PointfiveTwo · **Reply #11:** on05 Jun 2026, 01:55:35

It would be great if you gave the alpha vulkan/new opengl so we dont have to use nglide for high resolutions

pmtk_milk · **Reply #12:** on05 Jun 2026, 15:26:51

I don't mean to be annoying, but why is there a Valve copyright reminder that says "Valve 1996-1997"? It seems very strange to me. It's almost as if it were a code leak, but I think if it were, the news would have spread. Although I do think there's been a lot of leaked or revealed content in recent months and years.

ComDoll · **Reply #13:** on05 Jun 2026, 18:53:26

Quote from: pmtk_milk on 05 Jun 2026, 15:26:51

I don't mean to be annoying, but why is there a Valve copyright reminder that says "Valve 1996-1997"? It seems very strange to me. It's almost as if it were a code leak, but I think if it were, the news would have spread. Although I do think there's been a lot of leaked or revealed content in recent months and years.

It was changed from 1998 (or like 2000s i dont remember) to 1997 as a joke.

BlackShadow · **Reply #14:** on01 Jul 2026, 21:44:49

Quote from: pmtk_milk on 05 Jun 2026, 15:26:51

I don't mean to be annoying, but why is there a Valve copyright reminder that says "Valve 1996-1997"? It seems very strange to me. It's almost as if it were a code leak, but I think if it were, the news would have spread. Although I do think there's been a lot of leaked or revealed content in recent months and years.

It was just a something that i've added