WPC Region Division Mini-Playoff 1/3: Cave by Thomas Snyder

The 30th World Puzzle Championship had five “mini-playoffs” to determine the top solvers in five different genres. Today we’ll be releasing the Region Division puzzles starting with this Cave Puzzle by Thomas Snyder with theme involving many ascending series.

Cave by Thomas Snyder


or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the linex mode where left click+drag draws lines and right click marks X’s)

Author/Opus: This is the 460th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Cave rules.

Estimated Difficulty: 2.5 stars

Solution: PDF for all Region Division playoff puzzles.

Note: Follow this link for classic Caves and this link for Cave variations. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in these books in our e-store.

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