Splitting apart a large grid into subregions or shapes is the unifying element for our “Region Division” category, where we will be announcing the five best of 2022 puzzles today selected from 47 posted puzzles. The “best of” puzzles are gathered together in this PDF file.

We kick off today’s “best of region division” section with this great Fillomino puzzle by Jonas Gleim. The separation of evens and odds leads to some interesting emergent logic as one works to the unique solution.

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)

Contributing puzzlemaster Takeya Saikachi drew a lot of attention with his puzzles in 2022 including this Cave (Myopia) combination that takes the familiar “Myopia” arrows and applies them to another genre where this was at least my first time seeing this kind of combination.

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)

Early in each year we often post “New Year” puzzles with a clear 20XX theme. This 2022 Fillomino from Prasanna Seshadri was one of our first puzzles in the year and an instant “classic” destined for this best of ranking.

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)

While we can’t tell you the theme behind this Spiral Galaxies puzzle by Murat Can Tonta, one of the commenters said “This might be my favourite puzzle yet!” We think you might enjoy the solving path and hidden surprises too.

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a shading mode.)

While this was a very competitive category this year, the top puzzle stood out clearly from the rest and was another masterpiece by JinHoo Ahn who keeps finding impressive ways to use very few letters to make brilliant Pentominous puzzles. This elegant 8-letter Pentominous is our best Region Division puzzle of 2022.

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing, a letter entry mode, and a shading mode.)