From the announcement:
It is the start of the bleak, desolate Antarctic winter when a group of NSF researchers manning the claustrophobic, isolated U.S. Outpost 31 comes into contact with a hostile extraterrestrial lifeform. Bent on assimilating Earth’s native species, this being infiltrates the facility—creating a perfect imitation of one of the Outpost 31 crew. The staff frantically begin a sweep of the base, desperate to purge this alien infection before escaping to warn McMurdo Station that somewhere, out there in the frigid darkness, something horrible is waiting.
In The Thing™ Infection at Outpost 31, relive John Carpenter’s sci-fi cult classic as a hidden identity game designed to push you to the edge. Play as one of a dozen characters like helicopter pilot MacReady, mechanic Childs, or station manager Garry. Face sabotage and infection as you investigate the facility—gather gear, battle The Thing, expose any imitations among you, and escape Outpost 31!
Tension mounts and paranoia ensues as you question who you can trust in the ultimate race to save humanity.