Did you try to set up a few axioms for the environment beforehand to try and contain actions within the context of the game? I always envisioned declaring a gro

Did you try to set up a few axioms for the environment beforehand to try and contain actions within the context of the game? I always envisioned declaring a group objective of betrayal so that someone doesn't try to come in with preconceived tactics based and bonded on real world relationships. "We're all here to win, so let's screw each other over and see who can be the most selfish"