Enter any chat room and type these fun cheats (without quotes) into the dialogue box. Re-enter the cheat to turn it off. Note, these will not work with the demo.

"ccc>gravity" (makes like balls repel, and unlike balls attract)
"ccc>marbles" (gives balls a glassy appearance)
"ccc>bangs" (exploding balls)
"ccc>sfx" (wacky sound effects)
"ccc>standard"(gives standard access to all chat rooms)
"ccc>gold"(gives gold access to all chat rooms)