Very enjoyable game! I'm quite interested in procedurally generated puzzles so looking forward to that blog post. I've experimented with generating and ranking

Very enjoyable game! I'm quite interested in procedurally generated puzzles so looking forward to that blog post. I've experimented with generating and ranking Sudokus automatically in a way that attempts to reflect difficulty for a human. The goal, of course, is a Universal Puzzle Generator. I'll let you know when it's done...