A game selection system includes: an emotion processor configured to obtain a current emotional state of a user; a descriptor processor configured to obtain one or more emotion descriptors associated with one or more games; an evaluation processor configured to predict an emotion outcome for the user for the or each game, based upon the user's current emotional state and the one or more emotion descriptors of the respective games; and a selection processor configured to select one or more games in response to whether their respective emotion outcomes meet at least a first predetermined criterion.