Image credit: Eurogamer/Supermassive Games Supermassive goes sci-fi horror, with a refreshingly cerebral, slowburn take on its usual popcorn thrills. It's let down by perfunctory stealth and an overfamiliar plot, but a stellar cast helps make it all worthwhile. Stop me if you've heard this one (or something like it) before: the Earth is dying, and humanity's last hope is a lone inhabitable planet, light years from home. A crack crew of humanity's finest is assembled for an eight-year space mission to survey the planet, but when they finally awaken from their four-year cryoslumber, an unknown organism has infiltrated their ship, turning their voyage of hope into a paranoid nightmare. And does the mega-corporation funding this whole endeavour know more than it's letting on? Of course it does.…