Priced at 1200 Microsoft Points ($15) and published by THQ, Blitz Arcade's Are You Smarter than a 5th Grader? Makes the Grade packs all the fun of the Fox television show, featuring more than 6,000 questions from the grade school curriculum.

Buyers will be able to play against four other real-life players, either locally or online via Xbox Live. While downloadable on Xbox 360, Are You Smarter than a 5th Grader? has been released as a full-fledged retail game for PC, PS2, DS and Wii.

This Wednesday will also see the release of a free downloadable multiplayer level for GarageGame's Marble Blast Ultra, which includes one new achievement.