Wood Block Puzzle - Grid Fill is a free game available on the iPhone platform. Developed by Mediaflex Ltd, this game challenges players to place blocks on a 9x9 grid, strategically filling rows, columns, and squares to clear the board. The game is easy to understand, but difficult to master, making it a great choice for players of all ages.

The game features a clean and simple design, with bright colors and intuitive controls. Players can compete against their friends and strive to beat their high scores. However, be careful not to let the board fill up or it's game over! With its addictive gameplay and challenging puzzles, Wood Block Puzzle - Grid Fill is sure to provide hours of fun for puzzle lovers everywhere.