Warner Bros. says it is working on a solution, but for now they do not find the problem.
During the last few weeks multiplayer Xbox 360 version of Batman: Arkham City have reported on the official forums of the game that there is any error that caused your saved games mysteriously disappear.
From Warner Bros. Interactive and Rocksteady have said they are working on the problem, but so far have not found the possible source of error.
"We are pleased to resolve the issue of disappearing saved games some players on Xbox 360 as soon as possible. However, our quality control department has been unable to reproduce the situation, "remarked the game's community manager, Andy Cataldo.
Precisely for this reason, from Warner ask users to provide all possible data through firstname.lastname@example.org email, stating in English what the Xbox 360 version is being played, if the game is installed or not on the disk hard, if there is downloadable content, etc..