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 letter entry mode.)
Author/Opus: This is the 1st puzzle from guest contributor Mark Sweep.
Rules: Variation of Pentominous rules. Some borders between pentominoes are already drawn.
Difficulty: 4 stars
Time Standards (highlight to view): Grandmaster = 3:45, Master = 9:00, Expert = 18:00
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.