Sunset Overdrive, developer Insomniac Games' open-world action game infused with mutating energy drinks, has 75 more Gamerscore to earn, according to a post today on Xbox Wire.

The increased Gamerscore arrives through three new challenges, each with an achievement worth 25 points.

Hardcore!: Buck National vs The Apocalypse. Beat the score of 600,000 on the Challenge "Buck's 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."

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."

For a limited time, Xbox Live Gold members can also purchase Sunset Overdrive for $35.99 from the Xbox Store, a 40 percent discount off of its regular $59.99 price.

Sunset Overdrive launched last October exclusively for Xbox One. For more on the game, be sure to read Polygon's review and listen to our in-depth discussion on our Quality Control podcast. To see the new challenges in action, press play below to watch an episode of Insomniac's Sunset TV.