"Unblock FREE" or red block puzzle (game) is a simple and addictive sliding block puzzle game. The goal is to unblock the red block out of the board by sliding the other blocks out of the way. This is the best addictive puzzle game to boost up your mind with more than 10,000 Classic red block puzzles to solve. Solving Block Puzzle helps you to train your brain and keep you mentally fit with various Casual Solving Block puzzles. This Simple addictive Slide puzzle game is for kids and adults of all ages, play by yourself or challenge your buddies and compare your Slides. No matter in which part of the world you are now, just install our wood block puzzle game and start having the fun.