World War I alternate histories

1999 video game

NecroVisioN is a World War I alternate history horror first-person shooter developed by Polish developer The Farm 51 and published by 505 Games. It was released for Microsoft Windows in February 2009. The game was published by Aspyr Media in the United States, on May 26, 2009, and Canada on August 10, 2009. A prequel entitled NecroVisioN: Lost Company was released in February 2010.

video game mod

novel by Scott Westerfeld

2002 video game

2011 Book by Scott Westerfeld

2010 Book by Scott Westerfeld