Unlock Blox - the most exciting unlock puzzle game. Unlock Blox is a simple,free and addictive puzzle game. The goal is to Unlock the yellow block out of the board by sliding the other blocks out of the way, Unlock it with the minimal moves. Unlock Blox is a classic and pleasurable unblock puzzle game! Use your brain and slide blocks to unblock the yellow block out of the board. Try your best to solve stages and get 3 stars! Improve your cognitive & problem-solving skills with Unlock Blox puzzle free game. The game is tiny in size but mighty in puzzles. Exercise your brain with Unlock Blox.