Pretty cool game! Was very impressed at the overall incredibly stylish presentation: loved how everything, particularly the menus and HUD and such, were all intricated sculpted to fit the whole noir detective theme you were going for: the level select being a evidence corkboard and so on. The game just seemed to overflow with charm and was just a treat to witness, and to top it all off, it had some great gallery art and some wonderful picross puzzles to go through as well. Solid craftmanship all-around!
I gotta admit that the picoross gameplay seemed quite compromised because the game automatically confirms whether you've filled a row/column correctly: with this, it's very easy to just brute force a bunch of guesses and get confirmations, instead of having to do some actual deduction that you slowly build up from clues (the irony, considering the game is detective-themed!) Hell, I had plenty of times where I wasn't even trying to cheat the system but the game automatically confirmed another row/column I wasn't even focusing on: it's just too easy to exploit! Maybe it was an intentional design decision to reduce the difficulty and allow people easier access to all of the great content on the board and in the interrogations? It just felt very odd to me.
Other minor complaints was that I found the whole aspect of the filled squares being filled with art pieces to be a bit odd, awkward to view, and visually not very pleasing from a zoomed-out perspective. The art pieces themselves are lovely, of course, but it just feels like the game is trying to be two things at once and I just found it unnecessary, though unique. Speaking of the art, I found it a bit odd that every puzzle just seemed to reuse the same art pieces instead of providing new ones, and I wish that the art pieces would link to the artist's newgrounds profile if you click on them for an easy follow and such.