オンライン麻雀 Maru-Jan

Discover an online mahjong platform with 1.6 million members. Enjoy a complete mahjong experience suitable for everyone from beginners to advanced players. Free events are regularly available.

■ Receive Free Trial Points

All new users who download the app and register will receive complimentary trial points.

■ Popular Online Mahjong with 1.6 Million Members

Maru-Jan's Google Play app version hosts approximately 8,000 daily players, catering to all skill levels from novice to expert.

Experience minimal wait times when playing mahjong online with Maru-Jan.

For enhanced gameplay comfort, discarded tiles appear approximately 1.3 times larger on smartphones and tablets, while hand tiles are about 1.26 times larger on mobile devices.

■ Experience Authentic Mahjong

(1) Mahjong tiles with realistic texture

Each detail features hand-finished craftsmanship, including transparency, light reflection, and light transmission.

(2) Realistic tile arrangement

Enjoy authentic gameplay with naturally misaligned discarded tiles that recreate the genuine mahjong experience.

(3) Both automatic and manual tile options

Arrange tiles manually while paying careful attention to their alignment during gameplay.

(4) Fully automatic table research

Our simulation replicates real automatic tables, including natural tile distribution variations.

Using two tile sets mixed on our servers, previous game distributions subtly influence subsequent matches.

(5) Authentic recorded sounds

Immerse yourself in realistic audio featuring tile clashes, stick impacts, and table operation sounds.

(6) Streamlined visual design

Minimalist presentation eliminates distractions, helping you maintain focus on the game.

(7) Competitive paid gameplay

While requiring a place fee, achieving first place makes your game free, creating intense, high-stakes matches.

Experience the authentic details that make Maru-Jan special.

■ Mahjong AI "KIRIN"

Our AI analyzes tile scores and suggests optimal discards along with various statistical values.

KIRIN learns exclusively from top-tier players—the highest 0.008% of Maru-Jan's 1.6 million members, averaging 2.30 or better finish positions.

■ Customize Your Experience

Choose from multiple table mats and voice options to personalize your gameplay.

Enjoy the game with your preferred customization settings.

■ Web Score Function

Review your games and study strategies without launching the application.

■ Concealed Sound Specification Feature

First mahjong app to introduce 1st call, 2nd call, and red limited call specification functions.

Strategic call usage displays buttons only for desired tiles, keeping your hand concealed during play.

■ Private Tables for Friends

Create set tables to invite specific players and enjoy games together.

Private table games record all participants' results, enabling home-based mahjong tournaments.

Daily Event Variety

Maru-Jan features constant events, from daily competitions to major tournaments held several times annually.

These free-to-join events remain popular among players of all skill levels. Event schedules are regularly updated within the app.