As you have understood from the name of the game, here you will have to unblock! And something that is blocked here is a road. You have a block and a path for it. The block needs to move forward, but there are some other pieces on its way, so it cannot continue going forward. You need to remove them from the way, following a correct order and doing everything right to let the block get to the point. In general, there is nothing complicated in that, but you will surely have fun and train you brain a lot! There are numerous stages to clear as well as three levels of difficulty to master.