During this event, packs of wolves would sometimes enter the battlefield and attack players. Players would then be able to conduct a truce while wolves were present, or they could break the truce and continue fighting normally.[11][12] In April 2019, a 'Film Memoir' visual mode was added which switches the game's art and user interface to black and white, while adding a film grain effect.[13] Another console update in December 2020 added cross-platform play between Xbox and PlayStation for Verdun and Tannenberg.