I agree totally with Frank di Martini: interesting but flawed and illogical.

Rating: Null/10 (4 October 1998)

Potentially a cult film with a strong, claustrophobic feel and atmosphere. But on reflection, totally illogical both internally and more generally. Not being enough of a mathematician, I also wonder whether the use of Prime Numbers, primes, factors, etc., as a way of avoiding "killer chambers" and to navigate around inside the cube, of itself made sense or whether it too was a gimmick.