There is the gameshow called Safe Slot. You have a frame with 15 slots and 9 rounds of a game. Each round there will be more unsafe slots in different places (Round 1 = 1 unsafe, Round 2 = 2 unsafe, from Round 3 to 7 we add 2 more unsafe slots and at Rounds 8 and 9 we add 1 more unsafe). You should guess the Safe slot location. If you find an unsafe slot, it's Game Over! The main prize is 1M$.