Oleg, Luthier, you need to give UBI a damn good bollocking.

[White Owl]

Somebody at Ubi just answered my question about the Steam account requirement. link

I posted:

Originally Posted by Owl

I think you probably meant that a Steam account will be required to play online. Is that right? If I only play offline, single-player missions do I still need a Steam account?

They replied:

Originally Posted by admin

Yes, you will need a Steam account even if your play offline.