Once you're in, It's over.

Six complete strangers with widely varying personalities are involuntarily placed in an endless maze of interlocking cube-shaped rooms containing deadly traps.
Cube keeps every mind human — it fights its subject at zero distance. The story fights on E8/E9 of the E0–E14 reality ladder, compressing survival, trust, control, memory.
Films fighting at the same level of reality, about the same things.
The same preoccupations examined at another scale — one mind versus a nation.