Only by correctly answering sex education questions can the diabolical sperm be blocked and the city saved. With a growing number of teenagers reporting having sex (46 percent) and doing it with multiple partners (14 percent), it's no surprise that sex ed is going digital.
Other games include Privates, a video game banned from Xbox Live Arcade, in which Marines wearing condom hats travel through vaginas and rectums, blasting away various unsexy STI monsters. And in Fast Car: Traveling Safely Around the World, players visit UNESCO World Heritage sites on five continents while receiving information on HIV/AIDS prevention, treatment and care.
More games are on the way. The National Institutes of Health has granted Yale researchers $3.9 million to develop a video game to teach sex, drug and alcohol negotiation skills to kids.
With so many safe ways to score, here's hoping teens can stay ahead of the game.