Lustria when entering the game screen, you must control the robot to clean your floor to make it shiny. Control the robot by holding down the robot and dragging to determine the initial cleaning direction, and release your hand to let the robot move and clean the area passed. When the robot moves and touches the wall or objects in the room such as chairs, beds, flower pots, etc., it will bounce back by inertia, moving the objects. When the robot moves, it will consume battery but accumulate energy. Full energy bar Robot can switch to Upgrade state to destroy objects if it collides. The goal to win is to clean enough % ​​of the specified floor area before the time runs out and the robot has not run out of battery, lose when the battery runs out or the time runs out. In the game screen, you can use support items such as Robot moving through objects, Increase 30% cleaning radius when passing through, Charge the robot, Fill the energy bar and Increase playing time. Use Gold collected while cleaning the room and after finishing the level to buy more support items at the store. Upgrade the robot to increase its movement speed, cleaning radius and battery capacity, but each upgrade will have a failure rate. There are 9 levels of play, the more difficult the level, the more obstacles there are, the smaller the cleaning radius of the robot. The ranking will be based on the time it takes to clean your room.