A method of operating an electronic gaming machine includes providing a predictive model of an emotional state of a player of the electronic gaming machine, obtaining biometric data associated with the player, and analyzing the biometric data to detect an emotional state of the player. The method detects occurrence of a game play event of the electronic device, generates a predicted emotional state of the player as a result of the occurrence of the game play event, and modifies an aspect of a game play experience of the electronic gaming machine based on the predicted emotional state of the player in response to the game play event.