Funny / Transport Tycoon

• The UFO Easter Egg.
• Taking revenge on the computer-favoured AI opponents' badly built railways by building a railway depot at the end of their stations and sending a steam engine of yours kamikaze-style into the opponent's station. His train eventually enters the station and...
• Some of the old AI's attempts at pathfinding must be seen to be believed.
• The system requirements on OpenTTD's Steam page:
  Processor: Yes