This document analyzes the sounds used in the opening cutscene of the video game Halo 2. It describes the sounds that establish the setting as possibly a factory or building due to an alarm sound and later explosions and gunfire, suggesting a war zone. It identifies lifts and aircraft sounds that indicate the character is in a building set in the future. The document states the mood is serious due to violent sounds of gunshots and explosions, and an emotional musical score. It suggests the game genre is a sci-fi first or third person shooter due to futuristic laser and gunshot sounds. The narrative involves humans fighting another clan on earth, as indicated by references to attacking and defending the planet.