Lifeline: Operator's Side

Lifeline: Operator's Side (ライフライン：オペレーターサ)イiド s a survival horror game developed by SIE Japan Studios in conjunction with Kojima Productions, published by Sony Interactive Entertainment and Konami, and distributed in North America by Atlus. It's a remake of the 2003 PS2 game Operator's Side (released in North America as Lifeline), which was notable for being the first game to be fully controlled through voice-recognition. The remake also adds camera functionality with the PS4 Camera, PS Eye and Eyetoy (allowing for the use of both facial and speech recognition during gameplay) and the option to switch between realistic and cel-shaded graphics.

Plot
December 2029. You attend a Christmas party that's being held in a newly developed hotel in a space station. Suddenly, monsters attack and slaughter most of the inhabitants. You find yourself trapped in the station's main control room and separated from your lover, Naomi. At the same time, a waitress named Rio Hohenheim is locked in a detention cell for her safety. You discover that you can control all of station's mechanics through the room, and observe the various areas of the ship through security cameras. After receiving a call from one of the detention cells, you establish contact with Rio through her headset, and help guide her through the ship to discover the origins of the threat attacking the station, as well as a way to escape alive.