The OSS Elephpant mission in TwilioQuest introduces players to local development with PHP through a series of fun challenges, teaching fundamental skills such as server-side programming. The mission is set on a massive living colony ship whose crew needs help due to mysterious malfunctions, and the player must repair the systems to restore order. This new content was created by Margaret, a Developer Evangelist who has worked with PHP for 20 years, and aims to provide an assisted learning experience for those interested in this popular open source programming language.