GET YOUR GAME ON: Don't just play games--make them. Entries are open for the 2014-15 National STEM Video Game Challenge, organized by The Smithsonian, Joan Ganz Cooney Center and E-Line Media. Now in its fourth year, the competition invites US-based middle and high school students to show off their STEM skills through building original video games. Prizes for winners of seven gaming categories include $1,000, a one-year family subscription to BrainPOP, and a lifetime subscription to Gamestar Mechanic.