Enemy Zero

Enemy Zero is a horror game by Warp that combines puzzle-solving adventure with first-person shooter gameplay. Set aboard the spaceship Aki, the story follows Laura after an emergency program awakens the crew from suspended animation and a hostile alien life form infiltrates the vessel.

Players explore the ship’s rooms from a first-person perspective, collect objects, and solve puzzles. In the corridors, the game shifts to shooter gameplay, where invisible enemies must be located through sound. The pitch and intensity of their noises indicate their direction and distance: high sounds signal an enemy ahead, mid-range sounds indicate a side attack, and low-pitched sounds mean the threat is behind Laura.

Enemy Zero was released for PC (Microsoft Windows) and Sega Saturn, and was published by Sega.