Is there a mobile version of this, or does anyone know similar games for mobile? my elderly dad plays nothing but sudokus on his tablet and is super hard to convince to play anything elese.. but i think this game would really be something for him, while also not being hours of sudoku every day xD...

In this and your other games of the sort, is guessing ever required? Or is there always SOME place that's logically solvable and you're just missing it if you think the only thing you can do is start with some guesses and see if they work out?

I would love to play but my screen is stuck to the top left corner of the frame. Use keys to scroll away, it goes back. Use edge scrolling to scroll away, it scrolls back. Clicking into an area other than the one at the top left corner does not chance anything. Clicking hint does not do anything. Changing resolution, zooming, changing to windowed mode does not change anything. The only thing that keeps it from happening is scrolling away and moving focus to another window (i.e. using alt-tab or clicking o...

Is there any chance that we'll get an "undo" button to revert recent moves? My Macbook trackpad sometimes zooms in or out randomly while I'm clicking, leaving a trail of freshly toggled boxes across areas I'd been working on. An undo function would give me an alternative to painstakingly scrubbing out all of my work in an affected area and starting over. Thanks for listening! It's nice to see a community with an active dev responding to folks....

... even though I finished the game completely. Please look into this, dev.