Tanki Online is a free, Russian made, online, tank battling game. I just started playing again a little while ago. It requires no download because it runs off of flash. So if you can play flash games, you can play this. The graphics aren't anything good, but that's why it's able to run in your browser without any downloading. Have fun!
Join via this link: http://tankionline.com#friend=af3a78beb
Join via this link: http://tankionline.com#friend=af3a78beb