This is all expected behaviour I guess, as SteamPlay will only work with Windows titles. Requesting the Mac Key on Windows will fail as well. Requestig the Mac key with steam steam://cdkeys/33362 will fail. On Linux requesting the Windows Key with steam steam://cdkeys/33361 works just fine.
When launching the game on Windows, the Steam client will thus only try to get the Windows DLC Key, but the Linux client is trying to obtain the Windows and the Mac key on launch, which fails. In contrast, when installing the game on Linux, both CD Key DLCs are installed as well, but the Steam client can only fetch the Windows Key, but also wants to get the Mac key, as ShowCDKeyOnLaunch is set to true for both DLCs (see SteamDB links). It isn't even shown as an available DLC on the Windows Steam client. When installing Assassin's Creed 2 ( ) on Windows, it will only install the Windows CD Key DLC ( ), but not the Mac CD Key DLC ( ). I think I found the cause of this Problem. Perhaps this is resulting in installation conflicts with Steam Play. One thing I noticed is that this version uses Ubisoft Uplay Launcher to launch the game. I can only click "cancel" or the cross in the rightmost corner of the popup, but both will uninstall the game immediately.įYI, Assassin's Creed Brotherhood runs fine when I run the Window's version of Steam through regular Wine.
In the background I do see the game being downloaded with progress going from 0% to 100%, however, said screen remains.
However, when I try to install Assassin's Creed Brotherhood or Assassin's Creed: II a Window that says "Creating Local Game Files" pops up. Installing Assassin's Creed 1 works fine and plays correctly. I am trying out different games from my Steam library. This issue was originally opened on the Proton issue tracker, but on second thought this seems to be an issue with Steam for Linux instead, since Wine/Proton doesn't even get to start, since the installation doesn't complete successfully. Please describe your issue in as much detail as possible: