Block Puzzle 99 is an interesting and engaging game that combines the elements of a 9x9 Sudoku puzzle and a block puzzle game. With its easy-to-understand yet challenging gameplay, you won't be able to put it down.

In Block Puzzle 99, your objective is to drag and match blocks on a 9x9 grid board to complete lines and squares, and remove them from the board. The goal is to keep the board clean and beat your high score.

One of the key features of Block Puzzle 99 is the variety of shapes of blocks that are waiting for you to pick. This adds an extra layer of strategy and excitement to the game, as you need to carefully consider which block to choose and where to place it.

Overall, Block Puzzle 99 brings you the most interesting playing experience, combining the addictive nature of block puzzles with the logical challenge of Sudoku. It's a game that will keep you entertained and engaged for hours on end.