I am in a living room playing a video game with friends.
In this game we are all trying to find our own set of objects. Each level, for each person, gives a specialized set of clues in deciding how to get through the level. At the end of the levels are gates that open.. you all go and stand at the gate with your needed objects (you all know that there is a clue that's general for everyone but each person gets their own specialized clue). If the gates don't open then you're allowed to show the clues to each player. You have to decide who was wrong in the gathering process and help them.. if everyone is wrong in guessing which clue was faulty then you have to start over with a different player and their own clue.
Example: I had a clue that somehow went along the lines of an explosive to get through.. so I found a cloth and gasoline and a candle, I was right but my teammate wasn't...