In the first day of its release, Watch Dogs sold more copies than any other Ubisoft game ever. It even broke record set by Assassin's Creed, a game has since spawned numerous sequels and that Watch Dogs developers had a bit of friendly competition with.

The team behind the game was very grateful for the record breaking sales, which came in spite of some issues that Ubisoft games are experiencing on Xbox. Microsoft issued an Xbox Live service alert today, telling gamers that they are working to resolve connectivity issues on Xbox 360 and Xbox One for Ubisoft games. 

The issue causes difficulty when joining other Xbox Live users in online games, managing friend lists, and tracking friends games. It looks like it was caused in part by Ubisoft's Uplay service. Uplay is Ubisoft's patented user communications service. It manages distribution, digital rights, multiplayer games and tracks achievements.

Because of Watch Dogs' massive popularity, those users are most heavily affected, through Trials Fusion, Child of Light, and Assassin's Creed IV: Black Flag players also received the alert. 

Ubisoft is getting hammered with requests, too. Their servers are getting hit with more Uplay logins than ever before. If you're having trouble with the Xbox version of the game, a Watch Dogs companion app is available free for iOS and Android.