Two sentences, swapped words.
Both sound right, but each holds words that belong in the other. Find them, swap them, and see whether both are right now.
20 puzzles of your choice and, every day, the puzzle of the day are free. No account, no advertising.
How to play
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1 Find what is swapped
Tap what does not fit, above and below: one word, or up to three side by side.

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2 Swap until both are right
The red button in the middle swaps them. Every swap is a move: the fewer, the better.

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3 Find out what’s behind it
Once a puzzle is solved, “Background” shows the facts, with sources to read on.

Over 300 puzzles in eight categories
This is about knowledge, not guesswork: names, places, years and terms have changed sides. Who climbed which mountain? Who wrote which book? What happened when?
- Geography
- History
- Art, Design and Literature
- Science & Technology
- Sports & Leisure
- Music
- Film & TV
- Food & Drink
Plus topics such as Climate, Horses, Pop and Anime, from easy to tricky. “Mixed bag” shuffles twenty puzzles from all categories, and a “Hint” helps without giving the solution away.
A new puzzle every day
The puzzle of the day is harder: three sentences instead of two.
Words change places between sentences that lie next to each other, so a word in the wrong place has two places it could go. Solve it day after day and build a streak.

Free and full version
Free
- the introduction with three easy puzzles
- 20 puzzles of your choice from all topics
- every day, the puzzle of the day
No account, no advertising, no tracking. Your progress stays on your device; the game only counts, anonymously, how often and how long it is played.
Full version
- every topic
- catch up on puzzles of the day you missed in the past week
- buy once, no subscription
The full version is to be had in the app for iPhone.
Start with three easy puzzles.
The introduction shows how it is played. Then the categories open.