4 Minutes and 33 Seconds of Uniqueness
Quoted from the text file included in the game distribution: "You'll win the game if you're the only one playing it at the moment in the world. The game checks over the internet if there are other people playing it at the moment and it'll kill the game if someone else is playing it. You have to play the game for 4 minutes and 33 seconds"
The game belongs to the category of Zero-Player Games since one cannot do any actions within the game. The gameplay consist of managing to be the only player playing the game in the world for 4 minutes and 33 seconds.
Main Gameplay Design Patterns
Quite naturally, the patterns No Direct Player Influence, No-Ops, and Time Limits are the main components on the game. It could also be seen as belong to the genre of Massively Single-Player Online Games or having Extra-Game Input depending on if one sees other players as having their own game instances or not.