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Play Double Yakuman Jr. (Japan edition · Japanese · Edition 150762) Online
Double Yakuman Junior
Play Double Yakuman Jr. online. Play head-to-head Japanese mahjong against a character opponent, drawing and discarding toward a legal winning hand.
Browser play

Game Boy (GB) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Double Yakuman Jr.
Quick start
Choose SIMPLE MODE with A or START. Move over a discard with the D-Pad and confirm with A. B opens calls and winning commands; build a normal yaku first rather than declaring every available meld.
Controls
Directional pad: move the cursor. A: confirm command or selected discard. B: open call/riichi/winning command menu.
Double Yakuman Jr. — About this game
Play head-to-head Japanese mahjong against a character opponent, drawing and discarding toward a legal winning hand.
Choose SIMPLE MODE with A or START. Move over a discard with the D-Pad and confirm with A. B opens calls and winning commands; build a normal yaku first rather than declaring every available meld.
Double Yakuman Jr. Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · gb
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.