Block Tetriz is a festive holiday-themed puzzle game where you arrange falling blocks to form complete rows. Control the blocks using the left, right, and down arrow keys to move them and the up key to rotate them. You can also tap or click on-screen buttons for the same actions. The goal is to strategically position the blocks to clear full horizontal lines. To make the game even more thrilling, there are four exciting power-ups that add an extra layer of fun and challenge, keeping the excitement at its peak as you play. Enjoy the Christmas-themed twist on this classic block-stacking game!