Advent is an iPhone version of the classic text adventure computer game, Colossal Cave Adventure. Developed by Pi-Soft Consulting LLC, this rendition includes the implementation of the 1000-point version by David Malmberg. The game now features Game Center support, offering leaderboards and the ability to invite and assist other players virtually when they encounter challenges.

Players can delve into the nostalgic world of text-based adventures and explore intricate puzzles while enjoying the updated features that enhance the overall gaming experience. Advent brings back the essence of classic gaming with modern functionalities, making it an engaging choice for both long-time fans and newcomers to the genre.