There's a few different multiplayer modes in our arcade games. Here's how is breaks down:
DX-Ball 2 and Rival Ball have a hot-seat mode, which means you take turns playing.
Rival Ball and Rival Ball Tournament have online play, so you can play against each other over the Internet.
Rival Ball Tournament has a battle mode where you can play against each other on the same computer, where one person plays with the mouse and another person plays with the keyboard.