Event Horizon ( Doom 3 Mod ) walkthrough MAXIMUM DIFFICULTY / NO COMMENTARY part 1

Event Horizon XV is a modification (Mod) released in 2006 for PC, built upon the Doom 3 engine. As a shooter mod, you play a Marine investigating the mysterious ship Event Horizon near Jupiter, where you confront psychological horrors exploiting your deepest fears. Its core loop blends first-person combat with heavy psychological dread, offering a distinct, narrative-focused survival experience layered over the base game's mechanics.