Make a game where you have to choose to pull the lever or not, for example, the train is coming to hit 5 people but you can pull the lever so it hits your pet instead.
Make a game where you time travel back to 1918 and get on a freight train and you keep going until you enter a some sort of black hole and you teleport to 2026 whit that train, then you sell it at a museum and you become a quintrillionare (really rich) and that’s the end