Yes — to play Ubisoft games on Blacknut, you need to link one Ubisoft Connect account to your Blacknut subscription. This account is shared across all your profiles, and only one Ubisoft session can run at a time. In some cases you'll also benefit from cross-platform progression between Blacknut and other Ubisoft Connect-compatible platforms — availability varies by game
Find the Ubisoft+ Pass games and Bonus Games you've unlocked on the Ubisoft Connect application available on PC.