PONG! Multiplayer brings one of the classics of gaming onto your Firefox browser as an extension. You can play it whenever you need a break, while browsing on the internet.

Features:

• Online Multiplayer gaming! Play against people from all around the world! (connects to your opponent through port 10997 and 10998, read more about how to forward ports on your router or firewall on PortForward.com.)
• A full blown chat application. Chat with everyone in the Multiplayer lobby, or just with your opponent while playing a game.
• Direct Play. Just type the nickname or ip-address of a friend, and he/she will get invited to play a game against you. (Only if he/she has PONG! opened, and in multiplayer mode.)
• Fully customizable color schemes. Let PONG! look the way YOU want.
• 2 player mode, play against a friend on your own pc.
• Sound effects, and the option to disable them.
• Changing AI, when you're 3 points ahead the computer will randomly turn hard AI on and off.
• Select the number of points are needed to win the game.
• Play at 5 different speed settings.
• Play with your mouse, or with the keyboard, just as you like. Keyboard keys are customizable.