Use either Mouse + Keyboard or only Keyboard controls. Drive around, shoot enemies and collect Energy Crystals they drop. Don't forget to repair your ship with a welding torch!
Your ship has crash-landed on an unknown desert planet. Use your MPTU (Multi-Purpose Tank Unit) to repair your vessel and defend it from attacking alien life forms!
NOTE: use FIREFOX BROWSER or enable FLASH in your browser to play FLASH games. HTML5 games can be played in any browser. Download latest flash from adobe( http://www.adobe.com/go/getflashplayer )