Steam 커뮤니티 :: 가이드 :: Update Steam version to GOG (2024) version

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Alpha Protocol

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Alpha Protocol > 가이드 > mulderload 님의 가이드

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Update Steam version to GOG (2024) version

mulderload 님이 작성

This guide is for people owning Alpha Protocol on Steam and wants to update it to the 2024 GOG Release (which includes new bug fixes and modern system compatibility)

어워드

제작자

mulderload
오프라인

종류: 모드 또는 설정

게시일

업데이트일

2025년 4월 16일 오후 4시 09분

2025년 4월 16일 오후 4시 12분

665	순 방문자 수
20	현재 즐겨찾기 수

가이드 색인

개요

Introduction

How I did the patch

Apply the patch

Outro

Introduction

Alpha Protocol was delisted in 2019 because of publishing rights expiration.
In March 2024, a new updated version appeared on GOG with modern compatibility improvements.
Later, in June 2024, Alpha Protocol was relisted on Steam, but without the improvements of the GOG version.

The purpose of this patch is to update your (old) Steam version to the new & updated GOG version.

Comparaison of the patched Steam version VS the GOG :
https://images.steamusercontent.com/ugc/36700082994674910/7EC5C664DB4A3675C2C9A8F139B6837B8CD2B511/
(The BaseEngine.ini content is in fact the same, just the encoding that differs. I prefered to keep the Steam one to allow language switch in Steam).

How I did the patch

I own the 2 versions, so I've made a big "recursive diff" with a Powershell script, then I made an archive with (only) the new/modified files from the GOG version, and a NSIS script to easily download & extract this archive, remove some old files (that was not present on GOG), etc.

You'll have an almost 1:1 version with the GOG release, the only exceptions are
- some "purely gog stuff" at the root of the directory (gog icons, shortcuts, etc.)
- I keeped the .exe launcher from Steam, to remain launchable from Steam
- I keeped the "support / redist files" from Steam (I only updated the PhysX installer, same version as GOG) to remain compatible with the "Steam install process"

Apply the patch

Follow these instructions :

Go to https://www.mulderland.com/games/patches/alpha-protocol
Optionaly, you can click on "view source" if you want to see the source code of the script
Click on "Download with MulderLoad"
Run the executable (no need for admin elevation)
Find your APGame.exe
Optionaly, you can choose to disable the (annoying) intro videos
Enjoy !

Outro

This website is new - please be understanding for the installer "not very talkative".
Also please forgive my bad english, I'm french.

I hope it will work for you.
Alpha Protocol is a cool game that deserves to be played.

You can check out the other games on my website: https://www.mulderland.com
I will add content very soon.

Regards !

댓글 11개

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mulderload [작성자] 2025년 7월 31일 오후 4시 21분

@SibarrazCL there is no achievements on the steam version, so sadly the answer is no.

mulderload [작성자] 2025년 7월 31일 오후 4시 21분

My installer doesn't need admin rights and should not prompt for admin elevation.

And for your other question, I have other games on my website, I think an installer is easier for non technical users. Technical users can check the recipes and even compile the installer themself with NSIS if they want :)

[🇺🇦] crz.sotona 2025년 7월 26일 오후 8시 07분

Why are you using installer instead of simple script (e.g. powershell)
Why installer requires administrator rights, for what?

SibarrazCL 2025년 7월 19일 오후 9시 18분

Can you unlock achievements with this?

Nicsienieda 2025년 6월 23일 오전 8시 52분

@mulderload So good, thank you.

mulderload [작성자] 2025년 6월 23일 오전 8시 15분

@Fapmaster @Nicsienieda the download progression bar was bugged because the file was larger than 4gb.

I updated the installer using curl so now it's clean.

I don't know about Protontricks, but a friend owning a Steam Deck confirmed my patch worked (he didn't use Protontricks, he did right click on my exe => add to steam - but I think it's almost the same thing).

sinchon 2025년 6월 23일 오전 1시 58분

Awesome. Thanks

Fapmaster 2025년 6월 17일 오후 3시 17분

I have the same problem as Nicsienida. The patch downloader keeps displaying as downloading infinitely and never moves past that step. Thus no new files are extracted into the game folder.

Nicsienieda 2025년 6월 14일 오전 7시 17분

Thank you. However on Steam Deck, it's stuck forever downloading the GOG update part (using protontricks) during install. Goes to over 100% and keeps downloading.

POKER 2025년 6월 1일 오전 6시 40분

Merci pour le patch, tu gères !

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