The essence of the game is you have to be for a limited amount of time to place in the correct order comet to you opponent could not make progress. You will have very little time. In order to make progress, you need to use the arrow to move to the comet. If you do not do the job and you can not win your opponent, you lose as a result and you will need to start the game from the beginning. The game is very interesting and exciting for many users in this game.