Games falling into this “single-player only” category will be marked as such.EA Accounts exist for two purposes: To activate and run the game.
Hardware-based DRM uses components of the PC such as the MAC address of network adapter(s) and serial number(s) of hard drive(s) to create a hash or signature which is used for identification of the PC in the DRM activation process.
When a game which incorporates this type of DRM is run, it checks that the current components of the PC match the hash/signature which was created and stored during the previously completed activation. R.: Clear Sky or Dead Space) or DRM files which are not used unless you attach a DRM expansion pack or DLC to the game.
, then create a new firewall rule to block the installed Ubisoft Launcher.
If you run the game without doing this first, the launcher will update Uplay, and you will have to register the game and log in at least once before you can play offline.
DRM associated with accounts is weaker than most but still present, requiring online activation via CD key to access online services such as multiplayer and profile stats.