Cube²: Hypercube (2002)

Kari Matchett, Grace Lynn Kung, Bruce Gray, Barbara Gordon

Eight strangers find themselves waking up in a strange cube-shaped room with no recollection of how they came to be there. Soon discovering that they're in a strange fourth dimension where our laws of physics don't apply, they have to unravel the secrets of the "hypercube" in order to survive... ?An