Block Riddle is one of the Tetris Games that you can play on UGameZone.com for free. Do you like brain exercising puzzles? Well, in that case, Block Riddle is just the game for you! Drag and drop the colorful shapes into the designated field. The objective is to fill the field completely. Don’t leave any cells empty, and don’t allow any pieces to stick out beyond the lines. With increasing difficulty levels, Block Riddle is the perfect game to improve your cognitive skills! The game also offers hints and solutions in case you get stuck. Will you be able to complete all the levels?