Kobo app
Sudoku
Play 36 original Sudoku puzzles with pencil notes, undo and saved games.
Do not have Cobalt yet?
Install Cobalt directly from your browser
Plug your Kobo into this computer and the browser writes Cobalt across. About a minute, and no terminal. Applications after that arrive over Wi-Fi, with no cable.
Works in Chrome, Edge and Opera. Check your Kobo is supported.
Already have Cobalt?
Link your Kobo to install
On your Kobo, open App Store, then Install links. Scan the QR code, or enter the pairing code and verification key shown there.
Install on your Kobo
Cobalt verifies the signed catalog and app package before changing the installed copy.