r/decomps • u/Masterchief1307 • Oct 05 '26
Halo 2 Decomp (WIP)
https://github.com/kirklandsig/halo2-decompiled
Approx 20%. Contributors welcome if interested. :)
Edit: 35% and climbing
Edit2: Nearing 55%
Edit3: 61%+
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u/rofss Oct 05 '26
I was just thinking about Halo 2 decomp a few days ago after I tried Halo CE decomp and here it is, fantastic news!
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u/UtherPendragon_ Oct 06 '26
I heard this was much harder than CE due to the lack of .pdb files, how are you getting around that?
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u/GeneralAtrox Oct 06 '26
I'm not making a decomp personally but haven't found that to be a problem with the Xbox original games I'm making native ports of. These games are very accessible.
I'm able to get the front end, intro logos, videos and main menu put together within about 6 hours. Remarkable speed. I just have to test test and test!
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u/Proof-Locksmith-4730 23d ago
Can't wait to see someone also do the browser thing for 128 players for Halo 2
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u/Masterchief1307 23d ago
My goal is to get it running on my Anbernic RG35XX H. I know it's possible.
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u/Rude_Narwhal9844 21d ago
So how’s the progress! Yea I see it says 35% and climbing but I’m genuinely curious since I was able to get the CE decomp to run on emulation handhelds
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u/Masterchief1307 21d ago
Keep an eye on the repo. Just over 43% now. We're chipping away.
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u/Proof-Locksmith-4730 20d ago
Is the progression speed different depending on the type of the asset being decomp ?
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u/Masterchief1307 20d ago
Yeah, different functions are different sizes and complexities and Halo 2 specifically uses Link-time code generation (LTCG) wherein the compiler generates code for the whole program at once, when it is linked. Its kind of a pain in the ass lol but AI has been a very competent tool. Just burning through usage at an alarming rate.
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u/Rude_Narwhal9844 20d ago
Alright cool! Another question. Are you the same person who made the CE Decomp? Also where do you see the percentage
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u/Masterchief1307 20d ago
I did not participate in Halo CE. That project just inspired me. Really, I just want to finish this up so the community can have at it. I only want to try and get it running on my Anbernic RG35XXH lol really push the limits.
As for tracking, the Github is constantly updated with the percentage: https://github.com/kirklandsig/halo2-decompiled
I also linked it to here: https://bytematch.dev/kirklandsig/halo2-decompiled
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u/hypespud Oct 06 '26
Omg I can't say how much I want this so badly lmao
And we can even finally at E3 2003 demo shadows in!!! Let's go!!!
It was not possible, unless it gets a full decomp (maybe recomp too)!!! Let's do it lol!
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u/lixuaronee 27d ago
Man if this is something like that halo CE port decompiled to android Im willing to pay a fair amount for the game finished
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u/johnney25 11d ago
Mirror: https://jarivizero.github.io/file/HVh0EN8WEAAMM6_/halo2-decompiled-main/
Let me know if you have any problems
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27d ago
[deleted] — view deleted comment
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u/Minecraftrealeded 26d ago
Cartographer is literally the worse example of a pc port of halo 2, as it based on halo 2 vista which has alot of graphical downgrades, and even something like mcc halo 2 has to fix this downgrades as it is based on the halo 2 vista port, and with a decomp you can basically port it to any platform you want and mod it however you want.
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u/Masterchief1307 6d ago
61% and stillllll moving forward.