The Liemandt Foundation - a nonprofit foundation focused on promoting technology-enabled education - is hosting a college student video game development contest with a twist: Students are being challenged to build entertaining games that secretly teach middle school subjects. The contest - which started in mid-September and can be found online at hiddenagenda.com - focuses on the notion of stealth education in gaming via entertaining games that also teach science and math topics. Students have complete freedom in their designs: They may work in teams of up to eight people and can build the games on and for any platform. They also may use existing engines. Games will be judged in May - with five finalist teams being given a shot at a twenty-five thousand dollar prize. Advising the contest are Ultima creator and gaming legend Richard Garriott and educational game expert Marc Prensky. Final judging is based on 70 percent entertainment and 30 percent educational value.