The Test of Wits

Your friends made their way to your house at night and was taken to the prepared room. It is fully equipped with puzzles, riddles and rebuses. That you have to decide. Also beware of the pitfalls that may await you at every turn. You are not limited in time, so you can intelligently think about every move. Gather all the materials at hand, as they can help in unraveling. Please be patient and tighten its logic.