When Assassin’s Creed Brotherhood was released on PC in March 2011, it arrived during a period of intense experimentation by Ubisoft regarding anti-piracy measures. The company had implemented an "always-on" DRM system, which required players to maintain a constant internet connection even to play the single-player campaign. If the connection dropped for even a second, the game would freeze or kick the player to the main menu.

: You find citizens being harassed by Borgia guards and save them to recruit them into your guild.