Assassin's Creed Revelations

Assassin's Creed Revelations

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Accessing Desmond's Journey and The Lost Archive Post Update
Av Vitharr
The update that removed multiplayer from the game also gutted the files required for accessing both Desmond's Journey and The Lost Archive DLC, resulting in users being stuck in an infinite loading screen when attempting to access this content. This guide will be step-by-step instructions on how to regain access to these parts of the game, by down-patching to an older version of the game. All steps were done on Windows, so you may need to follow different files paths if you are running Mac or Linux.
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Getting Started
The first thing you will need to do is enable Steam Console. Make sure Steam is open, and then press the Win Key + R Key. A search bar should appear, and you will want to enter the command:
steam://nav/console
Accessing Desmond's Journey
With Steam Console now open, enter the following command:
download_depot 201870 201871 3788743185036498953

You should get confirmation that the files are downloading. Once you get confirmation that the download is complete, which may take a while, you are going to want to navigate to where they were downloaded.

You will find the files in your Steam library, under:
SteamLibrary\steamapps\content\app_201870\depot_201871


Now you are going to copy all of the files in this folder, and paste them into your game's library, under:
SteamLibrary\steamapps\common\Assassin's Creed Revelations

Overwrite any files, if prompted.
Now you are going to copy all of the files in this folder, and paste them into your game's library, under:
SteamLibrary\steamapps\common\Assassin's Creed Revelations

Overwrite any files, if prompted.
Accessing The Lost Archive DLC
This section is only relevant if you own The Lost Archive DLC. You can skip this, if you do not.
First, you must complete the previous section for down-patching the main game. Once you have done that, go back to the Steam Console and enter:
download_depot 201870 201882 6947412385247558407

Wait for the confirmation that the download is complete, and then navigate to the download location:
SteamLibrary\steamapps\content\app_201870\depot_201882

Once again, you are going to want to copy all of the files in this folder, and place them into your game's library. Overwrite any files, if prompted.
Final Steps
The last thing we must now do is delete systemdetection.dll, which is located in your game's library. This file is known to cause many issues on modern systems, and, for me, caused textures to constantly flicker. There are no down-sides to deleting it, as far as I'm aware.
Now you should be able to boot up your game, no problem. It is perfectly safe to launch this game through Steam, whilst on-line, as well as logging into Ubisoftconnect. You will even be able to unlock achievements, still. The only thing to be aware of, is if Ubisoft does update the game, you will likely have to go through this entire process, again. Hopefully, though, that update will fix the issue this guide was made to address.

EDIT: Some folks in the comments are saying verifying files after this final step helps. Whilst I have not tested that, if you have any issues, that's probably not a bad place to start.
319 kommentarer
Vitharr  [skapare] 14 okt @ 11:43 
That content is locked behind Gold Edition/DLC. If you do not own that, you are unable to download the depot. It has been delisted from Steam, so your options are limited to methods I can't go into detail here, about.
PauSori 14 okt @ 10:42 
I followed the steps, but only Desmond's Journey works for me. I can't get the Lost Archive to work. When I enter the Archive command in the console, I get this message:

Depot download failed: missing license for depot (No subscription)

I've also tried entering a mod from NexusMod that replaces 1.Save from the save files, but that doesn't work either because I don't get the suit to unlock.

Thanks anyway for the guide because at least I've been able to play The Journey, but it's really annoying not to be able to get the platinum trophy for this great game.
Jimmy T Kirk 2 okt @ 0:54 
Worked for me as of 2/10/25 thanks for the help. For lost archive before i followed the guide, i activated the key first before using the guide. After i close the console which restarted steam and it worked.
Sage 26 sep @ 0:25 
what happens when it says "Game process removed" instead of complete (steap 2) cause mines showing this
El Rodilla 18 sep @ 19:47 
As of September 18, 2025, I can confirm that this guide helped me access Desmond's Journey, but (in my case) not the Lost Archive. To do so, I followed this other guide:

https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3422009787

As proof that both work, all the achievements are unlocked on my account :)

Thanks Vitharr, I owe you big time, you are a legend!
Vitharr  [skapare] 13 sep @ 18:53 
As other comments have stated and gone over, that is an issue with activating the DLC in the modern age. This guide's sole purpose is to restore files that were lost in an update that are required to launch the DLC and Desmond's Journey.
Большой Ли 13 sep @ 14:11 
I did everything according to the instructions, apparently it doesn't work anymore. Depot download was successful, all files were transferred with replacement. In general, I did everything according to the instructions. I go into the game, The Lost Archive did not appear. If I go in and try to activate the code that is already there, then it throws The Lost Archive into the Steam store on the purchase page (I already bought it). It's a pity that the method does not work.
soul_gutter 11 sep @ 19:29 
I get the message...

Depot download failed: Invalid default manifest(Missing Configuration)
Wunstor 26 aug @ 23:15 
Что делать если только сейчас купил игру и нет купленных DLC?
Barglog 26 aug @ 20:59 
ok