Biometric access sensitivity

The present application provides methods and corresponding systems for accessing services on a gaming device which, in certain embodiments, include the step or steps of receiving at least one item of identity verification data from a user of a gaming device; enabling at least one service, such as a wager-type game, on the gaming device based on a match between the at least one item of identity verification data received and at least one item of identity verification data obtained previously; displaying an interface screen comprising graphic objects associated with the wager-type game and at least one selectable element for the user to submit a gaming command and a wagering command during game play; obtaining at least one item of user change data from a user during game play; and prompting the user for identity verification data when a user change is suspected based on the at least one item of user change data.