Sequester contains the following tropes:
- Convection Schmonvection: There are lava pits in some levels that only kill the brother on contact.
- Our Ghosts Are Different: Vengeful ones stalk our protagonist if they see him.
- Our Souls Are Different
- World Shapes: Each level in the dream space is shaped like a cube. When you go off one edge of the cube, you appear on the other face that forms that edge. Which leads to...
- Wrap Around: A rather convoluted example, given the above.
- Wham Line: Did you wonder why he never spoke?