What first appears as just an ordinary old scary house that is occupied by an even scarier old woman, ends up to be their worst nightmare come true.

They find themselves trapped within the rooms of the "Halloween Mansion." And the only way to escape is to solve the puzzles that are throughout the old house.

They soon discover that they are not alone inside the old mansion. They find numerous children from Halloweens past, who just like them, had to solve the puzzles within the mansion but failed.

They only have two options...

Solve the puzzles and go home. Or fail to solve the puzzles and stay in the Halloween Mansion forever!