Pentominous by John Bulten
(view directly for a larger image)
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.)
Theme: In Tux
Author/Opus: This is the 91st puzzle from our contributing puzzlemaster John Bulten.
Rules: Standard Pentominous rules.
Difficulty: 4 stars
Time Standards (highlight to view): Grandmaster = 7:15, Master = 10:15, Expert = 20:30
Solution: PDF and solving video.
Note: Follow this link for other Pentominous puzzles. If you are new to this puzzle type, here are our easiest Pentominous to get started on. More Pentominous puzzles can be found in the Plenty o’ Pentominous series by Grant Fikes and Murat Can Tonta and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.