TWO PLAY MODES!!! You can play with a webcam, or if you don't have one, you can play with the mouse. To switch between them, go to the start menu, select "Choose Play Mode", and click the image of the one you want. Webcam Instructions: Shake your hand around the camera. The splats will slowly disappear. You have about minuete to get the most you can. (Press "Allow" when prompted with permission to use webcam.) Mouse: Shake the mouse to get the splats. Each Splat is worth a tenth a point. You have 40 seconds to get the most you can.
What is new in 2.4? New Settings Menu. Mute or Unmute sound. Change webcam mode difficulty.