the.com/guessing game

A game where confidence is the only skill that actually transfers.

means An activity or situation where you must figure out the answer through repeated trial, hunch, and inference rather than being told directly.

from A plain compound of 'guess' (from Middle English gessen, likely related to Scandinavian words for 'reckon' or 'think,' as in Swedish gissa) plus 'game' — the sense of guessing as a structured, reckoning kind of play is old, but the literal phrase 'guessing game' is a straightforward 19th-century English formation naming exactly what it is: a game built around guesses.

origin
Ancient divination rituals disguised as party tricks
20 questions
Optimal play narrows any answer in 20 binary splits
psychology
Players overvalue first guesses due to anchoring bias
irony
Pricing is right only when you guess just under
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