Are they a similar game to zwinky but online

if you mean another chat room like zwinky i guese there is many avatar chat rooms like it for example IMVU its almost like zwinky and a lil bet better u might like it and if you don't u can Google this line : (avatar chat rooms) it might help ,
but if u mean zwinky games and if there are similars of it online or on other websites then I'm not realy sure but i think there isn't. glad i might have helped