17 -- No, I really don't think you want to unless you're using low, low doses. FOR SRS. You get dirty acid or even a little more than what you can handle, and that shit will FUCK YOU UP. If you totally insist on doing it, start playing no earlier than six hours after it's hit you -- you'll still get to test yourself, but it won't be that huge, sweeping intensity of the original high.

Fatal Frame, Silent Hill, Eternal Darkness(?) and The Wall are pretty much things to be avoided -- my SO is a pretty unshakable bad ass with bibles worth of LSD behind him, and he won't touch that stuff with a ten foot pole -- one bad trip is all it takes to seriously mess up your head. D: