I loved that game but when you're 8 years old you often crawl through games that are too old for you. The time limit made it unbeatable for me for years. Well... That and my being petrified of the guillotine traps.
- The guillotines in PoP.
- The death animation for victims of the TOZT Napalm Unit in Marathon.
- The "red alert" warning combined with Kestrel fighter escort launching sound in Escape Velocity.
- The wolf 4 screens left in King's Quest 1 (I played this at about age 4 and did not comprehend the idea of going somewhere else. I just kept trying to outrun it)
- Ampire Bot in Robot Odyssey
- The entire Chiller[0] arcade game. I still sometimes have nightmares about it, and I've only ever walked by it once.
They both turn my stomach just thinking about them.
Aztec Challenge came close in creating tension, but not enough to feel scary.
The butcher in Diablo 1, filled with a room of dismembered corpses.