Edited sentence: Anno 1404 has raised a strong controversy about its Digital rights management system, Tagès.Blocking the game's access to internet through a Firewall seems to solve the problem.Despite excellent critics, these concerns have caused the game to get very bad reviews on commercial websites like Amazon, and raise many complains on game forums, with angry customers even calling to Boycott.Every change of hardware or reinstallation of the operating system uses an activation.Some users complain about the game lagging every fifteen seconds, due to the game connecting to Internet.The game has to be activated through an Internet connection and is limited to three activations