This game is hella good: http://mrsjoeajonas.mybrute.com
http://www.electrocity.co.nz/Game/
Xivio.com is great! Its a 3D no download free virtual world!!!
just google free checkers game online
I find a reasonable game (It is hard to find a great online FPS without downloading) to be a game called Russia's Army. It has 8 player online with a selection of weapons and a nickname. You can find it here: http://www.gamevial.com/russiasarmy.htm
Habbo hotel and runescape are both online interactive games that dont need downloading.
Have you tried Second Life?
In acid play
Minecraft is a popular game and can be played online through a variety of online gaming sites where no downloading is required. Some sites require that you register you information and have an account (often times no fee required) to track scores. One site is minecraft game online which allows you to play online with no downloading or registration required.
There is also a free online version of the game over at BigFishGames, I have put a link in the related links area below for that as well if your interested.
sorry! you can't play flash dating without downloading it first. i searched and searched everything. But maybe later on the game will be available without downloading but for now it is a new game and therefore hard to get a hold of without paying or downloading.
on the ds or the mac? If on the mac downloading without downloading is impossible
You can play the online version over at BigFishGames. Direct link to the free online game in the related links area below.