6×6 warm-up grid (free)
Even first-timers can start with a light heart.
← Back to home 
Cheondoku
Slow and easy, a thousand at a time.
Three 9×9 paths — Zen, Sun, Moon — with 1,000 puzzles each, plus a 6×6 warm-up. No stress.
Key features
Three 9×9 paths · 1,000 puzzles each
The 1,000 puzzles in Zen are free to play. The 2,000 in Sun and Moon open together with a single purchase.
Difficulty anyone can enjoy, calm and stress-free
An easygoing, unhurried journey from first-timer to beginner.
Three 9×9 paths
ZenStillness
Before sleep, in a meditative hour.
1,000 free
SunVitality
The first puzzle of the morning, at a café.
Opens with the unlock
MoonCalm
A quiet night, in the sleepless hours.
Opens with the unlockIn-app purchase
Unlock everything — 2,000 Sun & Moon puzzles + all ads removed₩4,900
This is the only thing for sale. One-time purchase · not a subscription · restores on a new device.
Price varies by region — check the App Store.
