There are two files in the directory -- one called AssassinsCreed_Dx9 and another called AssassinsCreed_Dx10. Just switch the names of the files so that Dx9 becomes Dx10 and Dx10 becomes Dx9.
While the Playtstation 2 is a historical relic, you can still play your favorite PS 2 games on Linux. Learn to install and set up PCSX2 and start playing!
This is a simple tutorial, and will involve you having some knowledge and equipment. If you don't have the equipment available and are UK/EU based, let...