A kind of leisure competitive game similar to guessing boxing, which has the element of luck and tests the wisdom and strategy of players.The game includes single player mode and online battle mode. Both sides of the game will increase MP over time. MP is required to be consumed to launch shells. There are three types of shells: stone, scissors and cloth. Different types of shells restrain each other, just like guessing boxing.But different from guessing boxing, players can make corresponding response according to the type of attack of the other side, so not only rely on luck, but also test the player's reaction, judgment and strategy of the battle.