Living Sudoku: Sudoku that shifts as you solve - logic meets timing

Hey Product Hunt! I'm excited to share Living Sudoku with you today! What inspired me to build this? I've been a Sudoku enthusiast for years, and like many players, I eventually wanted something more challenging. Every variant felt like the same puzzle with minor tweaks. I asked myself: what if the puzzle itself wasn't static? What if it evolved while you played? The problem I wanted to solve: Traditional Sudoku rewards patience and methodical thinking, but it's purely logical. I wanted to create something that challenged both your logic AND your spatial memory simultaneously, a puzzle that literally moves beneath your fingertips. How the approach evolved: The initial concept was simple: make rows shift periodically. But during development, I realized the key was in the timing and visual feedback. I added glowing warnings before shifts, smooth animations for number transitions, and carefully calibrated the timing so it's challenging but (maybe) not frustrating. That's a warm warning. The breakthrough came when I stopped thinking of it as "Sudoku with obstacles" and started treating it as a dance between player strategy and grid movement. You're not fighting the shifts, you're learning to work with them. What makes it unique: Unlike any other Sudoku variant, Living Sudoku turns a static logic puzzle into a dynamic experience. The numbers you placed moments ago are now sliding to new positions. Your pencil marks are walking across the grid. It's the ultimate challenge for players who thought they'd mastered every Sudoku variation. Would love to hear what you think! Happy to answer any questions about the mechanics or development process.