Darkwind: War on Wheels
Description from the homepage:
Battle for survival and supremacy in the gritty post-apocalyptic world of vehicular combat where strategy and tactics determine winners and losers.
Manage your gang, train your characters, design your own cars and scavenge for parts. Make your fortune in racing, deathracing and arena combat leagues, or venture into the wilderness and engage in tense multiplayer battles with pirates, traders and other players.
Trade for parts, cars and weapons in the dynamic economy of a world where your characters will age, sustain permanent injuries, and die. The detailed weapon stats, and the detailed combat system with critical hits, injuries and healing, psychology and leadership ensure a strategic challenge like few other games.
Award winning in the indie gaming community, acclaimed in the main-stream computer gaming press and praised in the war-gaming media: Play it yourself to find out why.
No time limit free play. Set up a gang of characters and compete in races, death-races and arena combat leagues for an unlimited amount of time for free.