MeiQi 2020 is a puzzle game set in 1990s China, where players assume the role of the police detective Liu Youth, solving cases and defeating various evil organizations. The game consists of a series of independent cases that create a rich story. There have been nine consecutive seasons, each consisting of six separate games (DLC), with an approximate playtime of one hour per episode. The game was originally developed using the Unity engine and debuted on the AppStore. This collection is based on the original game and uses the Unreal5 engine, providing players with a better visual and control experience on the PC platform.

The game's rich scenery and unique objects are carefully designed to reflect 90s China, providing a nostalgic and immersive experience. The individual cases take place in different locations, including homes and lodges, temples and ancient buildings, public spaces, transportation, and many more. The game's core gameplay involves scene exploration, puzzle-solving, and deduction correlation. As a detective, players must master reasoning skills to uncover evidence and understand the plot. The game's plot is continuously updated, and players can get the latest information through Steam or other media.