Player controls the ship which shoot up to enemies. Enemies fall down and move like ball, bouncing from walls and ground. They drop coins after death, which we need to pick up. Out of combat, in the main menu player can buy upgrades, which make stronger, faster or give some skills. In the shop by pressing RMB(Right Mouse Button) on upgrade, it will shown extra information on window. Enemies will become strong as player grow. The goal of the game