SPY CODE: Decide on several CSI/PSI (crime/party scene investigation) spy code terms and assign each one with a particular movement. For instance you could associate CSI/PSI (crime/party scene investigation) ‘target identified’ with standing straight and holding your hands over your eyes as though you’re looking through binoculars. Use about 8 different CSI/PSI (crime/party scene investigation)codes and each time you or the person in charge of the game says one each person has to make the appropriate movements. Anyone who makes the wrong movement or is the last to make the right movement is out.