Chen Shuang Shi Diary

An old dormitory. A case file that refuses to stay closed.

Chen Shuang Shi Diary is a first-person mystery exploration and puzzle game in the Sun Meiqi Mysteries series. Search period rooms, streets and a police station for evidence, read case files and connect scattered clues into deductions.

EXPLORE THE SCENE
Look around, search drawers and cabinets, and inspect objects. A small detail may lead to your next discovery.

CONNECT THE EVIDENCE
Organize collected clues in the mind map. Link evidence, develop new deductions and work through the layers of the investigation.

STEP INTO A SUSPENSEFUL WORLD
Pixel-textured 3D environments, atmospheric music and sound-driven scenes create an unsettling investigation.

LANDSCAPE TOUCH CONTROLS
Move with the left joystick, drag to look around and tap to interact. Supports Chinese and English, with progress saved locally on your device.

FREE TO PLAY
Free to download and play, with no in-app purchases. Watch a rewarded ad to completion to unlock the police station area. You can also choose to watch ads for scan charges or use the automatic clue connection feature. Completing new deductions also earns scan charges.

Contains fictional crime, death, blood and frightening scenes. Please check the regional age rating. Some music, sound effects and advertisements require an internet connection.