Two games, a demo, and several pieces of in-game content were added the PlayStation 3's online marketplace in today's PlayStation Store update.

SCE San Diego's High Velocity Bowling sells for $9.99, offering gamers a number of challenges and playable characters as they replicate the underhanded toss of a bowling ball with the PS3's motion-sensitive controller.

Media Vision's original PlayStation RPG Wild Arms represents the service's other new title. Mixing 2D sprite-based dungeons with a turn-based polygonal 3D battle system, it sells for $5.99 and can be played on either PS3 or PSP.

As for in-game content, owners of Harmonix's Rock Band can purchase three new Black Sabbath covers--"War Pigs," "Sweet Leaf," and "N.I.B."--for $1.99 a... Read more

SCE San Diego's downloadable PlayStation 3 bowling title, High Velocity Bowling, is in the final stages of certification and is hoped to arrive in the PlayStation Store next week.

Similar to Nintendo's Wii Sports bowling, High Velocity Bowling has players replicating the underhanded toss of a bowling ball via the PS3's motion-sensitive Sixaxis controller. The game offers up a variety of challenges and numerous characters for players to compete against.

"I know I'm pretty excited about it, personally--I'm sick of seeing only my team and our hard working Quality Assurance guys & gals on the leaderboards," senior producer P.J. Snavely wrote on the PlayStation Blog. "I can't wait to see you all get your hands on it!"