For me it was the novelty of the experiences they added to the game. It keeps it very fresh, especially with friends. For example when they added the vehicles,

For me it was the novelty of the experiences they added to the game. It keeps it very fresh, especially with friends. For example when they added the vehicles, it was hilarious and interesting for a bit. Then they added balloons, which amazingly could also be used to float the vehicles. It allows a lot of amusing creativity and makes the game fun even if you and your friends suck.