WhiteFangofWar said:
That thing gave me nightmares for over a year after I first saw it. In fact, they didn't stop until I picked the game back up again after having spent most of that period away from it (to be fair, I abandoned the game because I got stuck at one part, not because I was too scared to go on) and got to the part where the SA-X got eaten by a swarm of baby Metroids. No amount of therapy could have done more for me than that moment; I wasn't even particularly bothered by the subsequent revelation that there were ten more of them running around the station.
An honorable mention goes to the V-rexes from the King Kong game, whom you can't kill when you're playing as Jack (i.e. most of the time) and instead must distract, run from, and delay as much as possible. The juvenile V-rex you have to fight as a mini-boss at around the game's midpoint or so isn't exactly easy on the pulse either.
