2 2 2 / / / +---+---+ + | o /| + + + + /| 2 | v | / +--+ 1 +--+ | | +--o+ +-o+---+---+ / | / v +-=--+ / 4 / | | / +---+ +--+ o + 1 = Mega-Maze Basement (Part 1) 2 = Mega-Maze Basement (Part 2) 4 = Mega-Maze Basement (Part 4)Here is the universal key.