Classic Light Up logic puzzles. Light every cell — pure logic, zero guessing.
💡 Classic Light Up logic puzzle: light up every white cell, place bulbs to match the numbers, and never let bulbs shine on each other.
A game of pure logic — no luck, no hidden information. When you're stuck, the answer isn't a guess; it's the move you haven't seen yet.
🎮 How to Play
• Place a bulb — light spreads through its entire row and column.
• Black cells block the light.
• The number on a black cell tells you exactly how many bulbs must sit next to it.
• No two bulbs may ever shine on each other.
• Light up every white cell to win.
✨ Key Features
• Hundreds of handcrafted puzzles, from gentle warm-ups to expert grids
• A logic-first hint system: understand the "why", not just the "where"
• A clean, minimalist board built for deep focus
• Play at your own pace: offline, no timers, no pressure — just enjoy the puzzle
🔢 Numbers never lie. A 3 wants exactly three bulbs beside it; a 0 wants none.
When the last dark cell lights up, it's because you reasoned your way there.
❤️ No countdown rushes your next move. Brew a coffee ☕️, pick a quiet evening 🌛, and let the board shut out the noise of the world — every cell you light brings a moment of calm.
👇 Download now and light up your first board.
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What's new
Welcome to Light Up! Place bulbs, follow the clues, and light up every tile in a cozy logic puzzle experience. Your first bright moment starts here.