Doug after an accident during a trip to mars has realized he has been able to recover his memory and his whole life is a lie. Now framed as a fugitive. He tries to find out of the way of Planetary town of Andrena back home.

to fight robots and aliens you need to install the mod and sound to give it a nice over all effect https://www.mediafire.com/file/2vsh0mszx6olrxc/space+sound+and+mod.rar/file
(copy the files directly on the GTA San Andreas folder)