The official website started in an unknown year.
- Sometimes, when you fail the Hammersmith and City game, Jubilee says, "Almost there!".
- When you start a game when the "Loading" screen starts, the characters (excluding Bakerloo) swap voices at the start of the game (Hammersmith and City have Jubilee's voice, Victoria has Circle's voice, Jubilee has Hammersmith and City's voices and Circle has Victoria's voice) and in the Victoria and Circle games, the activities swap.
- When meeting Hammersmith, City, Bakerloo, and Paris, they have Jubilee's body. Because of this, they have one door on each side.
- When Hammersmith, City, and Jubilee move their eyes when they are helping you through the site, their eyes move into their eyelids.
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