Build Japan
Place prefecture pieces on the national map. Tokyo has separate mainland and island pieces.
JAPAN / 47 PREFECTURES
From familiar prefectures to towns you have yet to discover. Explore Japan through the shapes that make it unique.

HOW TO PLAY
Place prefecture pieces on the national map. Tokyo has separate mainland and island pieces.
Try municipality puzzles, then tap pieces on the completed map to discover local highlights and their sources.
Complete Today’s Challenge for the first time that day to earn 2 hint tickets, and collect completed places in your atlas.
Save one unfinished puzzle and resume it with Continue on the home screen. Starting another puzzle replaces the saved one.
PLAY YOUR WAY
Unowned eligible puzzles, including Today’s Challenge, start as soon as you select a mode and show an interstitial before the 1st, 3rd, 5th and other odd-numbered starts.
One-time passes skip entry ads for the included puzzles. All Japan covers prefecture pieces; regional passes cover municipality puzzles. The Complete Set includes both.
| Pass | One-time |
|---|---|
| All Japan Pass | ¥300 |
| Hokkaido Pass | ¥200 |
| Tohoku Pass | ¥400 |
| Kanto Pass | ¥500 |
| Chubu Pass | ¥400 |
| Kansai Pass | ¥500 |
| Chugoku Pass | ¥400 |
| Shikoku Pass | ¥300 |
| Kyushu & Okinawa Pass | ¥600 |
| Complete Set | ¥1,500 |
Use 1 ticket for a hint. Earn 2 from the daily launch, the first Today’s Challenge clear, or a dedicated rewarded ad, up to 10. Spend 5 hint tickets to open a floating solution map while you play. After viewing it, holding a piece shows its destination and local information. That play cannot update personal bests or submit to Game Center.