- Epileptic Trees: Supposedly, The pilot is Billy Kane's father.
- Goddamned Bats: Goddamned pteranodons, goddamned giant bats, goddamned cavemen, goddamned jellyfish... and so on.
- Nightmare Fuel: The T.rex's roar in the title screen of the first game. It's unsettling because it's loud, sudden, comes right at the end of a suspenseful music, and sounds somewhat similar to Godzilla.
YMMV / Prehistoric Isle