This is a 1.5-star puzzle. However, the puzzle genre is unknown…read on.
There are at least three puzzle types on which this grid has a unique solution using their respective rules. Guess the three puzzle types first, but highlight this paragraph if you give up. The puzzle types on which I found this grid has a unique solution using their respective rules are Slitherlink, Fillomino, and Latin Squares.
These are extremely easy. I thought of this while I don’t have access to my computer or my puzzle book. However, this puzzle shows the ability of combining various puzzle types into one.
And the reason of giving this 1.5 stars? It’s three puzzles of 0.5 stars each. Just add ’em up! 😛