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MIT Mystery Hunt Puzzle Index: Keyword Data

Loop and Block puzzle

Shade some cells and draw a closed loop through the unshaded ones without clues. Each clue tells how many orthogonally adjacent cells share at edge with the clue cell. This is similar to yajilin except the clues are based on adjacency rather than cells pointed to by an arrow.


MIT Mystery Hunt 2022 Dancing Triangles


Nikoli-style logic
Puzzle Types