Unfortunately no... atleast not with the online version of the demo. When you download and play the standalone (demo) version of the game, your progress and parts WILL be saved on your system. You can get the standalone demo here: www.desura.com/games/megabyte-punch
Just a tip for those of you who don't know it: Using a laptop, you can fire a pistol/revolver/whatever gun isn't autofire really quickly by pressing your mousepad's button and your mouse's button!
WARNING: ONLY WORKS IF YOU HAVE A SEPERATE MOUSE HOOKED UP. MAY CAUSE LARGE AMOUNTS OF RECOIL. NOT INTENDED FOR CHILDREN AGED 4 OR YOUNGER.
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Unfortunately no... atleast not with the online version of the demo. When you download and play the standalone (demo) version of the game, your progress and parts WILL be saved on your system. You can get the standalone demo here: www.desura.com/games/megabyte-punch