User summary: Through the Trap Door was a sequel to the highly successful game "The Trap Door" from 1986, which in turn was based on the UK claymation children's TV programme with the same name. In Through the Trap Door, instead of solving puzzles to cook food for "Him Upstairs", the game started with the player falling down into the monster-infested trap door, and the goal was to find the way out. The player could switch between controlling Berk or Drutt, the bigger Berk being able to carry objects and push heavy things, wheras the nimble but light Drutt could slip through smaller openings.