NecroVisioN is 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 the Microsoft Windows platform on 20 February 2009. The game was also published by Aspyr Media in the United States, on May 25, 2009, and Canada on August 10, 2009. A prequel entitled NecroVisioN: Lost Company was released in February 2010.

NecroVisioN is set in 1916 during World War I. The player takes the role of Simon Bukner, a young American soldier recently recruited into the British Army. In addition to German soldiers, Simon soon finds himself fighting supernatural forces, including vampires, demons, and zombies found in locations varying from the battlefields of World War I to secret laboratories and underground caverns. The main setting is the battle of the Somme, during which a rumor of a mysterious infection has appeared, which causes all people to turn into zombie-like state. Later, the game takes player into two new settings, the underground realm of Vampires, and the demonic realm, Hell.

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