NecroVision Lost Company

The prequel to the old-school, horror FPS. The game covers the events that happened before the original NecroVisioN story began.
The game contains several unique levels, characters, weapons and gameplay elements, as well as a new main hero that tells the original game story from an opposing perspective. Players can now take on the role of one of the WWI German soldiers that discovers the evil forces unleashed by the war, and starts to fight against them. Eventually they lead soldiers from all the nations gathered on the front through massive battles against zombies and demons.

Source: TheGamesDB