> It think it was mainly because it's *so* mediocre and it came after part 3 which
> was a masterpiece, so by comparison it was and is a piece of shit.

I think almost any game series gets mediocre after the 3rd one. And they'd have to try soooo hard to top or even match Slug 3 (or 2/X for that matter) that it's just not feasible financially these days I guess for a 2D arcade game.

-Prophet-
www.retrogames.com