Animal jam
forgotten tales
agario
slitherio
Tanki online

R2games - games
Any kind of mmporg
house making games(I started playing Tfm at 8 y.o)
papa's pizzeria , donuts , pancakes etc
League of Legends
Mweor

animal jam

LittleBigPlanet (My favorite game since I was 5 years old to 10 years old)

Neosaurs, Miscrits, Animal Jam, TetrisBattle XD

I played anything I could find that would last at least 5 minutes. (Online)

Everybody Edits, and that's about it. I've never really been all that into browser-based multiplayer games, but there were a few exceptions.

Animal Jam, Roblox. Y'know, stuff like that.

toontown
wizard101
build-a-bearville/bearville
roblox
club penguin
pixie hollow
some more i might be forgetting

-Fantage
-Animal Jam
-ChitChatCity
-OurWorld
-Pixie Hollow
-Webkinz
-Gum Drop Hop/2/3
-Moshi Monsters
-Sonic the Hedgehog Ep l / ll
-Minecraft
-Super Smash Flash 2 (I still play it)

And more things I can't remember

I would only play random flash games across the internet :/

i also used to play newgrounds games waaaay before i discovered tfm

woozworld

Pokemon
Rush Team
Brick Force

Animal Jam
Moshi Monsters
Fantage

That's really about it.

Club Penguin, Pandanda (R.I.P.), Habbo, Virtual Magic Kingdom (R.I.P.)
(I still play the ones that exist from time to time).

ANIMAL
JAM

Blablaland, Extinction and Poisson

Animal Jam and Minecraft .-.