Zork. Colossal Cave. Planetfall. Infocom! A few developers have seized on the opportunity to bring text adventure gaming back into the limelight via smartphones. In some cases, they've done this by catering to the nostalgia of users like me, writing interpreter apps that can run decades-old classics like Planetfall on modern smartphones. Other development houses have sprung up to deliver entirely new content, sometimes in the traditional interactive-fiction format and sometimes in others.