In 'Questonomicon: Who's Quest Is It Anyway?', players step into the shoes of an unassuming office worker who accidentally discovers an ancient book of quests hidden in the company break room. This magical tome unleashes a series of absurd and comical quests that the player must complete, often with misleading descriptions and unexpected twists. Each quest leads to a new adventure in the office and beyond, involving quirky coworkers, mythical creatures masquerading as mundane office tasks, and outrageous challenges like negotiating with a sentient stapler or competing in a karaoke battle against a dragon. The player's choices determine the outcome of their quests, with multiple branching paths and hilarious consequences, ultimately leading to a showdown with the enigmatic CEO who has his own agenda for the Questonomicon.