Tapa (Alternative) by Takeya Saikachi
or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the composite Yajilin mode where left click marks cells, right click marks dots in cells or X’s on edges, left click+drag draws lines.)
Theme: Antonyms
Author/Opus: This is the 22nd puzzle from our newest contributing puzzlemaster Takeya Saikachi.
Rules: Standard Tapa rules. Also, exactly one copy of each letter given in the grid must be shaded; other copies of that letter, if present, must be left unshaded.
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 3:30, Master = 8:15, Expert = 16:30
Solution: PDF and solving video.
Note: Follow this link for classic Tapa and this link for Tapa variations. If you are new to this puzzle type, here are our easiest Tapa puzzles to get started on. More Tapa puzzles can be found in The Art of Puzzles, in Tapa and Variations 1 and 2, and in our beginner-friendly books Intro to GMPuzzles and Starter Pack 2: Tapa, all by Serkan Yürekli.