This question was actually answered in a post prior to yours, but: in a different thread. One not intended to be a joke.
I suppose you could get a joke thread on-rails, with enough effort, but who needsthat much work?
To hammer home what Steve's saying here, the team Irrational has making BioShock had two programmers spend a whole year doing nothing but water effects.
The mind boggles.
Wait, you couldn't get Far Cry to run on that? I had it running a 2.8ghz Celeron with a piss-poor intel integrated GPU.
I mean, okay, the grass wasn't rendered. At all. And large chunks of the ground weren't textured. But it still ran.