Grid Brain：Vector Puzzle

Grid Brain: Vector Puzzle is a sudoku-style logic challenge designed to sharpen your mind with daily puzzles and varied difficulty levels. Use classic sudoku thinking to fill the grid with the correct numbers, training pattern recognition, deduction, and problem-solving in short, satisfying sessions.

How to play: apply sudoku logic to place the right numbers and complete each grid. The extension offers daily puzzles, multiple difficulty tiers (easy to expert), optional hints, and session tracking so you can build a consistent brain-training routine.