Set in a futuristic metropolis called Sunset City, “Sunset Overdrive” transforms the mutant apocalypse into your tactical playground, immersing you in an action-packed experience as you grind, vault and wall-run across the city while using a devastating, unconventional arsenal. With hyper-agility, unique weapons, and customizable special abilities, Sunset Overdrive rewrites the rules of traditional shooters and delivers an explosive, irreverent, stylish, and totally unique adventure.

To help and reward you intrepid fun seeking, gamerscore and achievement hunters, Insomniac Games has upped the ante today by adding three new Buck National themed challenges with each achievement worth 25 gamerscore points. See below for more details on these challenges and achievements and stay tuned for more new achievements in the coming months and the next explosive new add-on pack soon.

• Hardcore!: Buck National vs The Apocalypse: Beat the score of 600,000 on the Challenge "Buck's National vs The Apocalypse."
• Hardcore!: Buck Strikes Back: Beat the score of 564,500 on the Challenge "Buck's Strikes Back."
• Hardcore!: Buck Stops Here: Beat the score of 703,700 on the Challenge "Buck's Stops Here."

And for Xbox Live Gold Members who haven’t jumped feet first into the chaotic world of “Sunset Overdrive” there’s no better time to join the party than right now. Starting today, “Sunset Overdrive” is 40% off for a limited time on the Xbox Game Store.