Not being a particularly new game and even by the standards of the time not a particularly intensive game, Omsi 2 shouldn't have trouble running on many computers. Able to function on a single cored CPU and most graphics cards with 512mb VRAM even your grans computer should play it.
Are you sat their thinking - "Boy my life is so mundane, I wish I could live the rock and roll lifestyle of a bus driver"? We know you are! And Omsi 2 gives you the perfect outlet to these desires, letting you live through all of bus driving. Features include picking and dropping off people in a bus.