Heart of Darkness/YMMV

Heart of Darkness: the novella

 * Adaptation Displacement: Apocalypse Now
 * Everyone Is Jesus in Purgatory: Considering how dense and omnifaceted the story is, this happens pretty often. There's a TON of ways to interpret Heart of Darkness, and many odd ones are surprisingly well-supported (though many are not). Here's an example.
 * Fair for Its Day
 * High Octane Nightmare Fuel: Kurtz's house is surrounded by the heads of executed rebels, facing the house!
 * Especially when you think about it and realise that usually, you point the heads AWAY from you (as one is) to deter intruders.
 * Values Dissonance: The native Africans are repeatedly portrayed as violent, ignorant, subhuman cannibals... and those are the good ones.
 * But they're always shown as better (or at least, more humane) than the European colonists.

Heart of Darkness: the video game

 * Alien Scrappy: Amigo
 * Demonic Spiders: Nearly anything to be precise. Everything, and I mean EVERYTHING, has a way to One-Hit-Kill you. Shadows eat you, Worms will emerge from a wall, snap you and feast on you in a matter of seconds. Shadows in armor can use "The Power" in various ways, flying shadows likewise and they double for goddamn bats. And that are the few creatures you can actually HARM.
 * Goddamned Bats: The shadows mostly, but flying shadows are a perfect match: They fly, they evade everything you throw at them if its the last one and they can throw fireballs that kill you in one hit. Ask anyone about them and they will say they hate them with a passion.
 * Good Bad Bugs: If Andy crouches such that his rear end pokes off the screen, enemies will not come from that side.
 * What Do You Mean It's Not for Kids?: The game being rated E despite of the vast amount of gruesome ways Andy can be killed.