Build and Crush unblocked game suggests you build and destroy at the same time. And because the game is multiplayer, your buildings can be offered to other players as an object for destruction. By selecting the construction mode, you can add the object from the blocks as you please. Then be sure to save it and only then it will be available to other users. In destruction mode, you will be able to choose what is in stock and what the players have built. There are many ways to destroy objects: trotyl, gun, rocket, plane, as well as natural disasters: tornado, earthquake, thunder. You can select any you like or click Random Selection Mode.