A Machine for Pigs, made by Everybody's Gone to the Rapture developers The Chinese Room, was intended to be a 1-2 hour experiment, but became a full-length release in the course of development - one we called "a tense, moody, and terrifying experience that's filled with dread instead of frustration", and to which we gave an 8.3.
There's no word on pricing at time of writing. Joe Skrebels is IGN's UK News Editor, and Frictional's SOMA is the most interesting game he will probably never play. Follow him on Twitter.