Logic & Math New
Umbra
greatest.gamesA free daily light-and-shadow logic puzzle. Divide the whole grid into fields of light and shadow: each field contains exactly one numbered given equal to its size, and two fields of the same shade can never share an edge. Question-mark givens hide their size and appear from midweek onward. A new puzzle every day, with a dated archive of past editions.
Umbra
Logic & Math
The facts
- Runs on
- greatest.games
- Category
- Logic & Math
- Universe
- Greatest Games
- Languages
- English
- How often
- A new puzzle every day
- On Alldle since
- September 2026
- Price
- Free, no signup
Questions about Umbra
- Is Umbra free to play?
- Yes. Umbra runs in a browser at no cost, with nothing to install and no purchase to make.
- How often does Umbra reset?
- Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.
- What languages does Umbra support?
- English.
- Where does Umbra run?
- On greatest.games, and you can play it inside this page without leaving Alldle.
- What kind of game is Umbra?
- It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.
How it compares
If you play Umbra, the closest things to it in the catalogue are The Midi Crossword, Color Flood: Odyssey and Shikaku of the day. They sit in the same logic & math category. The Midi Crossword is from the same universe, Greatest Games. See the full list of alternatives.