I don't remember my first, but I have a lot of memories from being a child and going on YTV.com (local youth television channel's website) and playing the shit out of the games on there
I'm going to say mine was neopets 0.o But i'm not 100% sure lmao. That or addictinggames![]()
Can't say for sure but a few I remember are albinoblacksheep.com , miniclip.com, runescape.com (hahaha), and probably google