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muldle

A free wordle game — play it in your browser, no install. Daily Wordle-style game for astronomical objects

by @bertblookers · bertblookers/muldle on GitHubLANG JavaScript★ 1HOSTED ON BERTBLOOKERS.GITHUB.IOUPDATED 14 Oct 2026

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Controls: Type the full identifier: catalogue prefix (M, NGC, IC, Mel, Cr

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From the README

A daily Wordle-style game for astronomical catalogue identifiers. Each day there is one target object from the Messier, NGC, IC, Melotte, Collinder, Caldwell or Barnard catalogues; you get six guesses to find its identifier, e.g. M31, NGC42, Mel25 or NGC1023A.

C or B), the number without leading zeros, plus a component letter if the object has one. Tiles left empty count as blanks.

by: the Andromeda Galaxy is M31, and guessing NGC224 tells you so.

played before then keeps the zero-padded spelling it was played in (NGC0042).

right place, yellow = elsewhere in the identifier, grey = absent.

Read the full README on GitHub →

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