I tried to look at all of these. If there are some you think are inappropriate let me know and I will remove. If you have others to add please pass on :-).
Popcap.com has excellent games- too many to list. Favourites for us are Insaniquarium, Bookworm and Zuma. This is a totally family friendly site and a great resource for homeschoolers.
Recommended Free Online Video Games and Free Video Games to Download
Play Ticket to Ride Online- Free Online version of popular board game Ticket to Ride.
Play SimCity Classic Here you can play the classic Sim City classic online for free!
Play Settlers of Catan Online- Free Another favourite.
Some of the sites below may not be suitable for all ages.
Racer – LEGO RACER – Link 1
Tetrinet – TETRIS – Link 1
Tetrinet2 – TETRIS
The Happy Farmer… You are a farmer. In order to feed your family, you will have to make as much profit as possible within this year. Be a happy farmer! To maximize your profit, you will have to choose your seeds and use your money wisely. Financial management is the key!
FreeCIV (Civilization Clone) – SIM –Link 1
Soldat – 2D SHOOTER – Link 1
Betrayal at Krondor – CLASSIC RPG
glTron – RACING
Deus Ex: Game of the Year Edition Hugely popular PC game available for free down load.
Other Online Games
1000 AD – STRATEGY – Link 1
1483 – STRATEGY – Link 1
3Kingdoms – MUD – Link 1
4 Dimensions – MUD –Link 1
4Honor – STRATEGY –Link 1
A Tractor – ACTION/STRATEGY – Link 1
A3: Awakening – STRATEGY – Link 1
Aabahran: The Forsaken Lands -MUD – Link 1
Aalynors Nexus – MUD – Link 1
Aarchon – MUD – Link 1
Aardwolf – MUD – Link 1
Aardwolf – BOARD – Link 1
Abandoned Realms – MUD – Link 1
Multi Users in Middle Earth (LOTR rip) – RPG – Link 1