Free Webgame Template Do You Know Any Good & Free Non-competitive Webgame?

Do you know any good & free non-competitive webgame? - free webgame template

Well, I am from playing "normal" web and games around tired. Tired of the same pump-his-stuff-fighting and with other p-Im ... Playing style, which seems here to be the rule. I found it very interesting, not hard to find, play competition, and I discovered it was very boring or useless very quickly. (Neopets, Kingdom of loathing, Gaia, Abbatia, etc..)
Do you know all Webgame or browser-based client, not concentrate on the competition with other players?
Simulation games of all kinds are welcome in English or Spanish! (Sims Life Stories, Sims pets, role playing, etc..)

Special preferences:
Free
Addictive
No 3D (Im tired of 3D games ... All this focus on the graphic negligence and difficult gameplayand pleasure).
Not too much tax. (Playing on a low-end PC, it uses some other programs).

Thank you!