Light Up, also known as Akari, is a logic puzzle about lighting the board. You place bulbs that shine down their whole row and column until a wall blocks them, and your goal is to illuminate every white cell. Two bulbs can never see each other, and every numbered wall has to be satisfied exactly. Features: • Tap a cell to place or remove a bulb • Hold a cell to mark it empty with an X, no mode switching • Light rays spread across the board with a warm glow • Bulbs that see each other flash red right away • Numbered wall clues turn green once they're satisfied • Undo any move with a single tap • Three difficulty levels: Easy, Medium, Hard • Pick up right where you left off • Stats and best times for every difficulty • Plays fully offline A bright, rewarding puzzle that's all about careful deduction. If you enjoy Sudoku, Minesweeper, or grid logic, Light Up is easy to fall into.