Kestli (Süddeutsche Zeitung)
Slide falling stones into the box until every one fits.
Every day: One numbered, dated Kestli a day on SZ Rätsel, the same for every subscriber: slide the falling stones so they all fit into the box. New puzzle: Once a day; the next day's puzzle is already up late the evening before.
Kestli on SZ RätselKestli app by its inventor on the App Store

Kestli is a block-packing logic puzzle in the Süddeutsche Zeitung's puzzle section. Each day's numbered puzzle asks you to slide stones in the right order so they drop into the target area, knowing that a fallen stone can never be pushed back up. It is part of an SZ Plus subscription.
About Kestli (Süddeutsche Zeitung)
Kestli was invented by Johannes Kestler, who also publishes it as an app. Its name means little box in some German dialects and echoes his surname. The Süddeutsche Zeitung runs a daily Kestli on its SZ Rätsel pages, with the strapline Clever aufräumen: can you fit all the stones in?
The SZ puzzles are numbered and dated: Kestli 63 is the puzzle for 2 October 2026 and Kestli 64 the one for 3 October, which was already online on the evening of the 2nd. The rules come from the inventor's description: you move the blocks in the right order to bring them into the target area, but once a stone has fallen it cannot be pushed back up, so the order of moves matters as much as where each piece ends up. The puzzle is solved when the last stone clicks into place.
On sueddeutsche.de the game needs an SZ Plus subscription; without one, the puzzle page asks you to subscribe. The same SZ Rätsel section has Str8ts, Buchstabenring, a German Wordle and a chess problem.
It suits players who like Tetris-style packing and sliding-block puzzles but want a calm, single daily problem rather than a timed game.
How to play Kestli (Süddeutsche Zeitung)
- Open Kestli on SZ Rätsel and log in with an SZ Plus subscription.
- Look at the stones and the target area they must fill.
- Slide a block; once it falls it cannot be pushed back up.
- Plan the order of moves so every stone ends up inside the box.
- The puzzle is solved when the last stone clicks into place.
Tips
- Think about the final layout first, then work out which stone has to fall first.
- Large stones usually have the fewest possible places; place them early.
- Because fallen stones cannot move up, avoid dropping a piece that blocks a gap you still need.
- If you like it, the inventor's Kestli app has more puzzle packs.
Questions
Do I need a subscription?
Yes. On sueddeutsche.de the Kestli needs an SZ Plus subscription.
How often is there a new Kestli?
Every day. Each puzzle has a number and a date, for example Kestli 64 on 3 October 2026.
Who invented Kestli?
Johannes Kestler, who also publishes Kestli as an app.
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