オンライン麻雀 Maru-Jan

Experience an online mahjong platform with over 1.6 million members. This full-featured game welcomes everyone from beginners to seasoned players. Free events are regularly available for all.

■ Receive Free Trial Points

We offer free trial points for every new user who downloads and registers on the app—no exceptions.

■ Popular Online Mahjong with 1.6 Million Members

Maru-Jan's Google Play app operates daily with around 8,000 concurrent players, catering to all skill levels, from novices to experts.

Enjoy Maru-Jan's fast matchmaking and short waiting times for online mahjong.

For a smoother gaming experience, we've enlarged the discarded tiles on smartphones and tablets by about 1.3 times and hand tiles on smartphones by approximately 1.26 times.

■ Experience "Real" Mahjong

(1) Authentic Mahjong Tile Texture

Each tile is meticulously crafted with realistic details like transparency, light reflection, and transmission.

(2) Realistic Tile Placement

Feel the authentic touch as discarded tiles are slightly misaligned, replicating real-life gameplay.

(3) Manual Tile Arrangement Option

Arrange tiles manually for full control, paying close attention to their alignment.

(4) Fully Automatic Table Simulation

Our simulation of fully automatic tables reproduces natural tile distribution biases.

Using two tile sets mixed server-side, the distribution from previous games subtly influences the next one.

(5) Genuine Sound Recordings

Immerse yourself in realistic sounds—from tiles clacking and sticks hitting to the table's mechanical whir.

(6) Streamlined Presentation

A clean, distraction-free interface lets you focus entirely on the game.

(7) Competitive Paid Matches

Pay a table fee, but win it back by taking first place, creating intense and thrilling matches.

Discover the authentic experience Maru-Jan is known for.

■ Mahjong AI "KIRIN"

Our AI analyzes tile scores and suggests optimal plays and various strategic values.

KIRIN is trained exclusively on data from top-tier players—the top 0.008% of Maru-Jan's 1.6 million members with an average finish of 2.30 or better.

■ Personalize Your Game

Choose from several table mats and in-game voice options to tailor your experience.

Enjoy mahjong with your preferred customizations.

■ Web Score Review Function

Analyze your games and study strategies directly from the web, without launching the app.

■ Concealed Hand Call Specification

Introducing a first-of-its-kind feature in mahjong apps: specify 1st, 2nd, or red-limited calls without revealing your hand.

Use this call system strategically; buttons appear only for tiles you wish to call, keeping your hand hidden.

■ "Set Table" for Playing with Friends

Invite friends and play together on a private Set Table.

Set Table games track all participants' results, letting you host home mahjong tournaments with ease.

Daily Events for Everyone

Maru-Jan features a packed event calendar, from daily tournaments to large-scale seasonal events.

Our free events are consistently popular across all player levels. Check the app for the latest schedules and announcements.