Wood Block 99 is a free puzzle game available on iPhone, developed by Shanghai Unfov Fin-Tech Service Co. Ltd. It is a unique mashup of Sudoku and Puzzle, with a wooden-style design that brings you closer to nature. The gameplay is calm, addictive, and has no time limits, making it perfect for anyone looking to relieve stress and improve their spatial geometric skills.

The game has a simple and fun gameplay, where you drag and move wooden blocks to fill the 9x9 board grid, clearing the blocks by making full horizontal, vertical lines or 3x3 square rows. Removing multiple lines at once will get you a higher score, and the round will finish if there is no room for extra blocks.

Wood Block 99 also offers a challenge mode where you can pass a challenging level every day and get the joy of success. The game can be played offline without WIFI, and it is lightweight to install. To be a master, you need to use your strategies to continually remove blocks and get COMBO POINTS, cleverly use the excess grid, and try not to leave any blanks.