national s.t.e.m. video-game challenge was inspired by president obama's "educate to innovate" initiative with the hopes of calling folks' attention to the need for more science, technology, engineering, and mathn the country. >> the challenge is issued every year to students and teachers. they're going after recognition and prizes like computer equipment. >> today, you know, you're still working on your game. you have, essentially, until thursday. >> for some students, the competition is an eye-opening experience. >> before this challenge, i didn't really like math or science. i thought they were kind of boring. >> once you get kids involved in creating games, they are learning s.t.e.m., but they're also learning a lot of other 21st-century skills, like leadership and teamwork, and they're getting critical thinking and all these other things that come along with it in that package. >> it's a team effort. students start by brainstorming concepts that would make a good game. >> and part of the process is that they have to come up with a design document first, where they basically map out the whole idea for the game and they have to come up with a story line and all that. >> these kids are learn