personaly i play aqw at www.aq.com it requires no dowload but is 2D have fun ;)
runescape.com you dont need to download anything for Runescape, I personally have played Runescape for about 2 years without downloading anything. Runescape requires no download, so enjoy :).
Runescape is somewhat like world of warcraft, though it is not a complex, it is free.
Nope.
It probably is : www.drkid.webs.com .
Howrse, but you dont download it.
www.clubpenguin.com
download it online but i dont recommend it its illegal
Runescape-The Massive Online Adventure Game
Well i dont know games like pokemon b but heres some games i know wizard101 toontown AQworlds free realms Roblox spore Club Penuin Halo 2 for pc Plants vs Zombies
theres club penguin or neopets, dragonfable, adventurequest, (dragonfable is better tho) based on your question your looking for medeival games. IJJI has a bunch of games that require download but I find fun, Soldierfront is more modern day but I quite enjoy it. Just thinking you may like it.
Well you dont get games on game centre, most games you download that is online is already part of game centre.
runescape it is a game with lots of skills and it is free membership if you wnat to unlock more places and more items. www.runescape.com