While sitting in the Exil-Bar diner Törner asks for a telephone book and some yellow pages labeled 1992/93 are handed to him. While the story in playing is set in 2005 there is an entry for 'Otto Renner' who was renamed 'Adrian Grundmann' ten years ago.
While sitting in the Exil-Bar diner, Törner asks for a telephone book and some yellow pages labeled 1992/93 are handed to him. In the next shot to the inside we can see 5 digit ZIP codes for Schwerin which where invented in Germany in 1993.