Various systems, gaming devices, and methods for biometrically identifying a player are disclosed herein. The capture of the biometric information is undisclosed to the player. The captured biometric information may be used to verifying a player's age, prevent underage gambling, promote responsible gaming, authorize and/or authenticate an electronic funds transfer. The biometric information may also be used to provide player-centric gaming. The player's preferences are associated with the biometric information, and a gaming device is reconfigured to the player's preferences once the player's biometric information is obtained at the gaming device.