Ubisoft will remove online service from older titles From Sept 2022
Assassin's Creed 2, Far Cry 3, and the most recent Prince of Persia game are all having their online features decommissioned.
According to Ubisoft's announcement, a number of its older games' online functionality will be shut down as of September 1. Check list of the PC games impacted, along with information on when they were released and what features were taken always
Anno 2070 (2011): multiplayer, linking accounts, online features
Assassin's Creed 2 (2009): multiplayer, linking accounts, online features