Derek Yu is an American independent video game designer, video game artist, and blogger. Yu has designed and co-designed several award-winning games, most famously Spelunky, Aquaria, and Eternal Daughter. He is also notable as a blogger and custodian of the influential TIGSource blog/community about independent video games. He has been called an "indie superstar" and a "genuine icon" of the video game industry.

The Independent Games Festival (IGF) is an annual festival at the Game Developers Conference (GDC), the largest annual gathering of the independent video game industry. Originally founded in 1998 to promote independent video game developers, and innovation in video game development by CMP Media, later known as UBM Technology Group, IGF is now owned by Informa after UBM's acquisition.