Play Mahjong Keiji Online
Explore locations, chat with characters, and play mahjong to solve cases.

🎮 Game Controls
Make sure the game window is active to play.
- Move
- Btn A
- Btn B
- Btn X
- Btn Y
- / L / R
- Start
- Select
About Mahjong Keiji
Mahjong Keiji came out for the Game Boy Advance in 2005, a time when the handheld was full of creative and sometimes quirky titles from publishers like Konami. It was not a major release, but it fit right in with that era's willingness to experiment, blending a classic tile game with an adventure structure that felt unique for the platform.
You control a detective who solves cases by playing mahjong. Your main goal is to progress through each investigation, moving from location to location on a map. The core loop involves exploring areas screen by screen, talking to characters to get hints, and then confronting suspects in a game of mahjong to extract the truth. Winning these matches is the primary way you advance the story, making the tile game itself your main tool for interrogation. The pacing is deliberate, as you must often backtrack and recheck clues, and the mahjong can be challenging if you are not already familiar with the rules. It feels like a slow, methodical puzzle where your brain is your best weapon.
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