Enkeidoku

A circular twist on classic Sudoku.

Four difficulty levels, from a quiet Easy to a demanding Extreme.

Download on the App Store Join Android Beta

Enkeidoku is now available on the App Store. The Android version is still in closed beta testing, and testers must first join the Enkeidoku Android testers group before installing.

Built for a calm session

A few small touches that make solving feel unhurried.

Hints when stuck

A quick nudge in the right direction, whenever you need one.

Undo & erase

Backtrack freely, or clear a cell and rethink it.

Pencil notes

Jot down candidates before committing to a number.

Save & continue

Pick up an in-progress puzzle exactly where you left it.

Best times & scores

Tracked per difficulty, with a small celebration for new records.

Music & ambience

Soft, looping soundtrack with a gently animated background.

Enjoying Enkeidoku? Consider supporting its development.

☕ Support on Ko-fi