@Olxpon you will only get help for a Steam version. You're on your own.

Refer to the suggestion from my comment here: https://forum.plutonium.pw/topic/42294/game-wont-save-data-properly/2

@Xerxes I uninstalled the game, re-installed it and it actually opened in windowed mode. Other than that, no improvement

[image: 1758957573238-screenshot-2025-09-27-094657.png] what i do

@soIx I made an automated solution for the issue, check my profile.

Does anyone know?

yes its fixed his version was outdated

Hi amigos I'm a player from Mexico so please excuse my english: ¡I got it! - in my case, it was fixed by installing the offline plutonium (.bat) from github, which asked me to unify the folders (I had bo2 multiplayer and zombies in two separate folders, so I just combined everything and replaced what needed to be replaced). Additionally, the offline plutonium patch asked me that the folders do not have dashes(-), spaces, uppercase letters, or characters that are not numbers, underscores(_), or lowercase letters. (im my case I had "Black ops II - Multiplayer" so I changed it to "bo2" xd)I don't know which of these three causes fixed the problem, but now when I play plutonium.exe (online) and close the game, it saves the progress (without the need for commands and changing settings like FOV or others).

@Resxt To be fair the guide is completely useless. I have been port forwarding different games forever but Bo2 via Plutonium without the game on steam is just 100% broken. World at War works fine though. I already used Windows Defender to change my settings for the launcher and game on both pc's to allow connections. This resulted in my Nat status being changed from strict to moderate on both pc's. I also changed the joining status to open after friending my second account. However, trying to join a custom match does not work at all. I tried inviting, joining lobby, joining an active game, etc and it just starts the loading process before failing with Unable to join game session error. I then also opened the 3074 port inside my firewall as well as in my router settings aka port forwarding yet this did not do anything. Furthermore, I tried using the connect command yet that did even less. With this it does not even begin the connection process it just says connecting then silently fails. All in all their documentation is useless I even verified my files are fine and everything is fully updated.