Mutiplayer Games / Cross Platform Games

[xBronco]

Could anyone name same good Mutiplayer Games?

Been playing Cestos, What The Doodle, ProjectINF, Toss It

and i love games i can Challenge people in. Hate games like Wifi Army, World War, IMobsters, Gay(sp?) Kingdom, etc

can anyone maybe show me to some games that might interest me?

the only Cross platform game i know is that baseball one and sketch online.

someone said Robo Defense was is that true? i know the free ver. is not.

Thanks,
xBronco