Checks
Put them in order, then check.
Hint
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Five things, one hidden scale.
No account needed
Five things share a hidden scale. Height, age, weight, distance, temperature — it is different every day, and you are not told which.
Tap two to swap them. Rearrange as much as you like — nothing counts until you check.
A check confirms whatever is already right. Anything in its correct place turns green and stays; move it and it goes back to being a guess.
Either direction counts. You are never told which end is which, so low-to-high and high-to-low both score.
The way in
Do not try to solve the order. Work out what the scale is and the order solves itself. Every check tests your theory rather than your guess — and the fastest way to learn something is to arrange them by a scale you are fairly sure is wrong.
This ends today's puzzle and shows you the scale. Your streak will break.