Special Agents Mizuki and Ryuki, along with their AI partners Aiba and Tama, are tasked to solve the bizarre Half Body serial killings in this sequel to the critically acclaimed AI: THE SOMNIUM FILES.

This tale began five years earlier, in the spring of 2231. Mankind has evolved a new kind of communication ability called “telepathy”.

Something has been taken. Enter a new Grid and forge alliances via visual novel gameplay, uncovering truths through Identity Disc puzzles. Make critical decisions and plot your own course in a world without a creator.

fault - milestone two side:above is a Cinematic Visual Novel that takes place right after the events of milestone one. Please note that this novel is a direct sequel to fault - milestone one and contains massive spoilers of the first story. Play through of the first title is highly advised.

A graffiti mocking the Student Council President appears on the walls, and your best friend is the prime suspect! Play as a student detective in HoloTrials: Case Covered. Investigate the high school campus, face off against your rivals, and clear her name in this legal mystery.

Half a year after the events of ROBOTICS;NOTES ELITE, Kaito Yashio is introduced to Itaru Hashida through Nae Tennouji. Unsettling incidents start occurring all around them, harbingers of an event that will again plunge the world into chaos.

On a cold November night in a desolate estate deep in the mountains an innocent life has prematurely perished and its up to the player to find out who did it.

A visual novel about becoming lovers with Kanade—a half-human, half-alien girl. Enjoy a tender relationship with Kanade and witness how love blossoms into a song that saves the world.

"planetarian: Snow Globe," the prequel to Key's sci-fi kinetic novel "planetarian: The Reverie of a Little Planet," is now available with binaural audio support! Enjoy the story of a companion robot and her coworkers at a planetarium, and the simple joys they find in their everyday lives.

A mystery adventure game and visual novel set on solitary Shironagasu Island. Discover its secrets, solve its mysteries, and escape from the ominous island!

Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.

LumineNight is a story-driven detective adventure. Play as Detective Foster and his daughter to solve a series of murders spanning a decade. Interrogate suspects, infiltrate locations, solve puzzles, and gather evidence from crime scenes. Uncover the dark truth behind these killings.