The House of Doors: Second Visit

The House of Doors: Second Visit is also known as Maze of Worlds (US edition, 1998).

When Spencer, Jack and Angela were taken by the castle in Scotland, they found themselves playing Sith of the Thone's nightmarish multi-dimensional game to stay the execution of the Earth. Now Sith is back, and his deadly new game – a rigged game – will be played to the bitter end.