What you cannot lose here

Most games hold on to you by being able to take something away. We decided against that — and every point below can be checked by playing.

What holds here

Your streak survives a missed day. Nothing to buy, nothing to hoard, nothing to redeem — it simply holds.
Taking a break costs you nothing. In games with lasting progress something keeps growing while you are away; only how much is capped. We never take anything back.
The daily puzzle is free to play, no account needed. An account remembers your results and opens arenas — playing does not require one.
No ads, no trackers, no trade in your data. And nothing that pushes its way into a puzzle in progress.
No energy or life bar that has to refill. Nothing on your account gets used up: before every game you need a free slot, never a balance. Practice is unlimited and free, as often as you like.
Knobelarena is free to play, but not free to run. We keep a limited number of free slots; when none is free, you wait a moment. A subscription reserves a slot of your own – from a separate quota that takes nothing away from the free ones.
The learning overview shows what is due — not what you missed. A list of pending reviews is an invitation, not a bill.

Not left out by accident, but deliberately refused. This list is here so that it stands in our way later.

Timers that stall you in the middle of a game until you wait or pay. A puzzle in progress is never interrupted.
Loot boxes and gacha pulls. That is gambling under another name, and some of our players are children.
Random rewards dressed up as generosity. That is the same reinforcement schedule as a loot box, minus the price tag. What you get here is predictable.
Time-limited events that manufacture pressure. The daily puzzle changes every day — that is the rhythm of the game — but nothing here demands you show up right now or lose something forever.
Nudges that put your friends under pressure on our behalf. You can see what your arena played — never a prompt to remind someone what they did not.
Streaks that punish you. A number that drops to zero over one missed day is not encouragement, it is a threat.

If you meet anything in the game that contradicts this page, that is a mistake — tell us.