The present application provides methods and corresponding systems for accessing services in a gaming or other environment based on conditional biometric identity verification. In one aspect, this includes the step or steps of determining a location of a gaming device having a display and at least one biometric sensor associated therewith; prompting a user of the gaming device for at least one item of physical biometric data with the biometric sensor based at least on the location of the gaming device; receiving the at least one item of physical biometric data; and enabling at least one service on the gaming device based on a match between the at least one item of physical biometric data received and at least one authenticated item of physical biometric data associated with the user.