Tractors, with guns.
A social combat management arcade sim.
Tractor Combat Simulator will "combine trading, skill development, vehicles, minigames and blowing things up. And tractors. Sometimes.". You can read more about the overall design of the game here...
It is being written by an Old Man who writes computer games - mostly for the pleasure of it - in his (limited) spare time. You can find out more (and get access to the pre-alpha downloads) by signing up at OldManGameDevelopment.com