The Trolley Solution: the internet's most memed moral dilemma becomes a video game

In 1967, British philosopher Philippa Foot unwittingly created one of the internet's most regurgitated memes. A runaway train is hurtling towards five people tied to the tracks. You can pull a lever to divert the train to a different track to which only one person is tied. Do you intervene to kill the one and spare the five? What if one of the tracks twisted into a really cool loop-the-loop?