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The second directorial feature of Saw co-creator Leigh Whannell (after Insidious: Chapter 3) is a zippily inventive reconfiguration of 1980s pulp sci-fi that's heavily influenced by RoboCop and such David Cronenberg body-horror shows as eXistenZ. In the near future, old-school mechanic Logan Marshall-Green (Prometheus) is paralysed by thugs who also kill his wife. He's offered an implant to overcome his disability and the prototype STEM chip (think Siri on steroids) turns him into a hyper-kinetic action man. Slightly scrappy around the edges, this crafty retread of rousing Terminator-style action and amusing AI paranoia pushes all the relevant buttons on the speculative social commentary front while never skimping on the bone-crunching gore. From the robotically spoken opening credits to the upsetting denouement, Whannell's back-to-basics thriller fires on all cyberpunk cylinders.