Begin the game by choosing a room in Hippo's house that needs cleaning. Utilize the given tools like dustpans to sweep the floor. Gather toys and other items lying around and place them in their proper spots. Clean surfaces with a cloth to remove dust and stains. Clean out the trash by taking it to the garbage. Accomplish all tasks in the room to proceed to the next one. Understand the essentials of housework as you play through each level. Experience the satisfaction of seeing a clean room after your efforts.