S.E. 2 Fully Downloads Mods that Are Already Downloaded

Carl E. Lee shared this bug 3 days ago
Submitted

Space Engineers 2 fully downloads mods, which have already downloaded prior to the game's launch via the Steam app, prior to adding them to the mod list. This, in return, requires the user to be constantly connected to the Internet while playing Space Engineers 2, or have their privet mods uploaded to the Steam Workshop, for Space Engineers 2 to download. Likewise, this consumes additional bandwidth data that a user may not have. I feel this is a "bug" due to how this greatly diverges from Space Engineers 1's method of implementing mods, by relying simply on the mods loaded int he load order, and what mods are baked into the save that is being attempted to load, rather than being constantly re-downloading the entire mod list each time the save is loaded.

Replies (1)

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Further Explanation-

My Setup-

-Over the past week, I have tested roughly 100+ mods, using various versions. Some of these mods are public, while others are privet.

-I downloaded each version of the mod, noting how much bandwidth it took to download them, and segregated them from my Steam library.

-I ran SE2 via a proven but proprietary "shell" program telling it "Not to Update Files" whenever I launched or play the game.

-Each version of the mod I tested both online, and offline, while running the game.

-For each mod and mod version I tested, I started 2 new games: 1 modded as the test game, and 1 unmodded to serve as the control.

-For each combination of mod I added to my mod list, I started 2 new games: 1 modded as a test game, and 1 unmodded to serve as the control.


Result/s-

-Each time I added a mod to the mod-list, in game, and started a new game, SE2 would one of two things, depending upon if I where online, or offline. 1) It would fully download the latest version of the mod/s I had loaded into my mod list, or 2) Tell me an error had occurred, because it could not connect to the Internet.

-Result 1 was accompanied with bandwidth data showing that SE2 had accessed Steam Workshop, and downloaded the entirety of the mods I had downloaded and segregated prior, updating them to the latest versions without asking permission to do so.

-Result 2 occured when I had deliberately disconnected my computer from the Internet, and attempted to replicate Result 1, or when it encountered privet mods that were not released to the public via the Steam Workshop that it could not verify.


Conclusion: Space Engineers 2 will not allow Players the choice between playing with an older version of a mod, or playing with a privet, unpublished game modifification. Any mod that a Player employs in their game must be verifiable, and must be the latest version. The Player does not get a choice in this matter. Space Engineers 2 automatically download all mods in the Player's mod-list, even if the Player has downloaded them prior to game launch. Though I investigated this matter as part of a larger investigation, look at the files attached for proof. "Downloading Mods" is not the same a "Verifying Mod Status," or "Checking Load Ordern," or not saying anything at all.

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Further Explanation of Testing Process-

-I monitored my Steam application when starting each new game.

-With each new modded game, I noted that Steam would alart me that it was "Download" something.


-Steam should not be download anything, as I am playing Space Engineers 2, as I have:

-1) Set the "Schedule Auto-Updates (which should apply to mods as well) to the "Off" position.

-2: Have toggled the "Allow Downloads During Gameplay to the "Off" position.

-3) See attached file for examples.


Despite having these setting turned "Off," Steam still undertakes the downloading of files (the mods) against my direct instructions, when I load a Space Engineers 2 game that has mods in its mod list. This "may" mean that SE2, and therefore Keen, is circumventing Steam's core security and user control features to ensure the mods the Player is using, and therefore the game itself, is constantly up to date, no matter how the Player has set up their Steam application to allow or disallow downloads during gameplay.

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Further Evidence-


-Video: I have been able to replicate my initial test, on air, as demonstrated in this live stream. See link/s below.


https://www.youtube.com/live/P8ljLTSBV5Y?si=lTiI1aZeg_By5L3g


https://steamcommunity.com/sharedfiles/filedetails/?id=3683833363

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Further Evidence towards SE2 circumventing Steam's "Do Not Download During Gameplay" Feature, and in my honest beliefs, parental safety features Steam has implemented.


This is taken directly from my latest crash log:

2026-03-13 03:48:11.805 - Main Thread -> LOCALIZATION WARNING: Could not find key Cancel in the culture set en-US. Evaluating to string id.

2026-03-13 03:48:11.860 - Main Thread -> Disposing 4 localizers for DialogPresenterScreen

2026-03-13 03:48:16.047 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3528656266 download finished. Result: k_EResultOK

2026-03-13 03:48:20.094 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3518191735 download finished. Result: k_EResultOK

2026-03-13 03:48:24.832 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3639353902 download finished. Result: k_EResultOK

2026-03-13 03:48:28.636 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3521746918 download finished. Result: k_EResultOK

2026-03-13 03:48:32.602 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3526681363 download finished. Result: k_EResultOK

2026-03-13 03:48:43.735 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3509305158 download finished. Result: k_EResultOK

2026-03-13 03:48:47.717 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3533298493 download finished. Result: k_EResultOK

2026-03-13 03:48:51.753 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3624253614 download finished. Result: k_EResultOK

2026-03-13 03:48:55.778 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3616135094 download finished. Result: k_EResultOK

2026-03-13 03:49:01.860 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3623452621 download finished. Result: k_EResultOK

2026-03-13 03:49:05.679 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3522763830 download finished. Result: k_EResultOK

2026-03-13 03:49:09.730 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3526352588 download finished. Result: k_EResultOK

2026-03-13 03:49:13.566 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3518752631 download finished. Result: k_EResultOK

2026-03-13 03:49:17.585 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3517714427 download finished. Result: k_EResultOK

2026-03-13 03:49:21.549 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3521176419 download finished. Result: k_EResultOK

2026-03-13 03:49:25.458 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3678089702 download finished. Result: k_EResultOK

2026-03-13 03:49:29.422 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3520997213 download finished. Result: k_EResultOK

2026-03-13 03:49:33.438 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3522619380 download finished. Result: k_EResultOK

2026-03-13 03:49:37.565 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3509518700 download finished. Result: k_EResultOK

2026-03-13 03:49:44.140 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3512576858 download finished. Result: k_EResultOK

2026-03-13 03:49:48.175 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3521647774 download finished. Result: k_EResultOK

2026-03-13 03:49:53.791 - Main Thread -> Info: [Steam UGC]: Workshop item with id 3523604414 download finished. Result: k_EResultOK

2026-03-13 03:49:53.908 - Main Thread -> Info: Reading contentcache.json for mounted path 07f35000-6f37-40f4-be3a-dc2de627f9ca

The crash logs themselves state that Space Engineers 2 directly downloads mods, when it should not be downloading anything, as per the settings I have demonstrated I have set that instruct Steam not to allow any files (be them a mod, video game, music file, et cetera) to download while I am playing a game.


This specific crash log data is provided as an attached file, and offered as further evidence of Space Engineers 2 downloading mods that have already been downloaded, as well as circumventing Player set Steam User settings.

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