To celebrate the end of the holiday season/world, Adult Swim games has been offering a free game every week, with one more to go until the end of the promotion. Adult Swim is attributing the giveaway to someone named "Father Generous." We have no idea who that is, but we'll tell him thanks if we ever meet him.
Here's the description for Amateur Surgeon 2, as stated in a press release from Adult Swim:
Cut people open with a virtual pizza cutter, just like a real amateur doctor would.
What else do you need to know? Go get it!