Sony announced today that the box-office hit “21” will be released on DVD and Blu-ray on July 22, 2008. Bonus Blu-ray features shared with the DVD version include audio commentary with director Robert Luketic and cast along with three featurettes: “21: The Advantage Player,” “Basic Strategy: A Complete Film Journal,” and “Money Plays: A Tour of the Good Life”. Exclusive to the Blu-ray version is the BD-Java game “21: Virtual Blackjack.”
