F.E.A.R. (First Encounter Assault Recon) is a modern horror first person shooter developed by Monolith Productions. Published by Vivendi Universal, the game was released in October 2005 for Windows, and was ported for the Sony PlayStation 3 in April 2007 and Xbox 360 in October 2006 by Day 1 Studios. There are two expansion packs for F.E.A.R. released by Timegate Studios, F.E.A.R. – Extraction Point in October 2006 and F.E.A.R. – Perseus Mandate in November 2007. F.E.A.R. 2: Project Origin is the direct sequel of the game and was released in February 2009 by Monolith Productions.

F.E.A.R. (First Encounter Assault Recon) uses a proprietary engine developed by Monolith Productions, which later on formed a separate company named LithTech INC. to deal with the development of the engine.