To get into the big black ball, you will need a Black Key. Image: House House, Panic via Game RantInside this terminal will be six red gourd slots and a black key. Where to Use the Black Key in Big WalkImage: House House, Panic via Game RantIf you head far north of the Black Tower, you'll see a front gate leading to the black sphere that requires, you guessed it: the black key. All Black Ball Puzzle Solutions in Big WalkPuzzle 1 (Symbols on the Wall)Image: House House, Panic via Game RantThe first puzzle is simple. Big Walk: Where to Use the Black Key & Black Ball Puzzle Solutions How to Find and Use Belt in Big Walk (All Belt Locations) Big Walk Green Chair Headphone Puzzle Guide Big Walk: How to Reach the Highest Point on the Map (Big Climb Achievement)