This is based on opinion. Please don't list it on a work's trope example list.
Nightmare Fuel / Zap Dramatic
A meta example: These games were intended as actual negotiation training programs. Unless they're an elaborate parody, that means that the creator sees the actions and decisions of the characters as sane and reasonable.
The one about bullying was made in response to the problems Gibson's daughter was having in real life! And these are what he thinks are appropriate reactions! That poor girl...
Helen's scream just comes out of nowhere.
The strangely-drawn stenographer in the courtroom in Episode 10. It's more funny than scary, though, seeing as Gibson didn't bother finishing his face.
If you look closely, you can see he's resting his head on his hand - he's still rather bizarre-looking, though.
In Move or Die, Mrs. Grimm's piranha's are actually rather intimidating despite the amateurish art that plagues all of Gibson's games, due to the fact that their bulging eyes and massive teeth are pretty much the only things that are visible in complete darkness.