#65 Penalty Heyawake Collection

These are all regular Heya's, but the intended solve paths make use of penalty theory, you can read up about it here: https://twitter.com/chaotic_puzzles/status/1259012122878423041?lang=en Shade some cells so that no two shaded cells are orthogonally adjacent and the remaining unshaded cells form one orthogonally connected area. Numbered regions must contain the indicated amount of shaded cells. A line of consecutive unshaded cells may not cross more than one bold border "Countdown" Solve on Puzz.Link https://tinyurl.com/y5hy3n2c

"Retto Joto" Solve on Puzz.Link

https://tinyurl.com/75h5n9yp

"Lab Rat" Solve on Puzz.Link https://tinyurl.com/23swmvjy