Dark castle escape

Dream up a situation that there is a dark castle outside the town. No one goes to that place. Even if anyone goes there, no one has returned. But by curiosity, you wish to go to that dark castle and to prove others that you are the first one to come back from that dark castle.  This could be achievable only if you have the courage to do it. Surely you will succeed by finding the necessary objects and solving the puzzles to escape from the dark castle. However, this game is not going to end here. It has a sequel part.