Observed arrival · 2026-08-23

Off By Ten, a Daily Game of Numerical Guesswork

offbyten.com Observed source

Editorial interest 78/100 Selection signal · not a rating of the site

A free daily estimation game built around five questions, five numbers, and the art of being approximately right.

Landing page captured for the 2026-08-23 issue.

Why it surfaced

Off By Ten turns questions about blue-whale hearts, satellites, and Roman history into a compact guessing game. Its scoring system rewards closeness rather than exactness, with a bullseye for answers within 5% and a total wipeout for guesses more than ten times off.

A free daily estimation game built around five questions, five numbers, and the art of being approximately right.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

One card from the complete issue

Condor Fare: 200 Worms

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