Pandaka: Sudoku Zen Logico

A cosy grid puzzle with one honest rule set and no guessing. Endless campaign, a puzzle a day, and a Zen mode with nothing at stake.

Pandaka is a quiet logic puzzle about finding room for pandas on a grid.

The rules take ten seconds to learn:

• One panda in every row • One panda in every column • One panda in every coloured region • No two pandas may ever touch — not even diagonally

That last rule is the one that catches everybody out, and it is where the whole puzzle lives. There is no arithmetic, and there is never any guessing: every board has exactly one solution, and every solution can be reached by reasoning alone.

WHAT YOU GET

Campaign — a run of levels with no end to it, growing as you do. It opens on a gentle 6×6 and works its way up to 11×11 boards that deserve a proper sit-down.

Daily Puzzle — one board a day, the same board for everyone, moving through the difficulties across the week so Monday is a coffee break and the weekend asks more of you. Keep your streak alive.

Zen — no hearts, no timer, nothing at stake. Choose a size and a difficulty and take all the time you want.

Statistics — levels cleared, stars, streaks, win rate, and how many hours you have spent thinking.

HOW IT PLAYS

Tap a square to cross it out. Tap twice to place a panda. Swipe across a run of squares to rule them all out at once.

Nothing is crossed out for you. Working out what a placement rules out is the puzzle, so the game leaves that to you.

A panda on the wrong square is caught the instant you place it — it costs a heart and leaves a mark behind. You have three hearts, and a hint whenever you are genuinely stuck. The hint explains the deduction instead of just pointing at a square, so you finish the board understanding why.

MADE TO BE PLEASANT

• Works entirely offline. Every puzzle is generated on your device • Collects nothing at all. No account, no analytics, no tracking, no data leaving your phone • Full VoiceOver support — every square announces its row, column, region and contents, and the game is completely playable without the gestures • Colour-blind mode gives every region its own pattern, so colour is never the only clue • Dark mode, optional haptics, optional timer • Leaderboards and achievements through Game Center • English and Italian

Pandaka is made by one person, and it is the sort of game you can pick up for four minutes in a queue or lose an evening to.