Travian
Travian is really cool!
If you haven't played it give it a go at http://www.travian.com/
I have made a calculator to work out how long it will take to get a certain number of resources. It can also work out if you leave the game to collect resources for a certain amount of time how many resources you will get. Check it out here:
Travian Resource Calculator v2 ( openoffice version )
Travian Resource Calculator v2 ( excel version )
I haven't tested this version if it doesn't work email me @
ron.earth@gmail.com If it doesn't work I suggest trying open office while I fix it as
its free: http://www.openoffice.org/
Happy gaming!