This site has students creating games from scratch and putting them out into the world for feedback within the Gamestar Mechanic community. Students use math, problem solving, writing skills and more to make their games interesting. I think this could be used in the classroom as a theme-based project or just to get students interested in coding.
"Our mission at Channel One News is to encourage students to be informed, digital-savvy global citizens. We are a Peabody and Telly award-winning program broadcast to nearly 5 million young people across the country. Our daily broadcast and supplementary educational materials are aligned to Common Core State Standards (CCSS) and designed to help students, teachers and parents interpret the news and spark important conversations."