A seemingly mundane errand in the town of Festeron turns into a desperate struggle against a malevolent force when a mysterious stranger delivers a magical artifact. The protagonist, an unassuming clerk at the local post office, must navigate a surreal and shifting reality to prevent the dark entity known as the Evil One from consuming the world. Faced with logical puzzles and the constraints of a text-based interface, the player must manipulate the environment and utilize the titular Wishbringer stone to alter the fabric of space and time. The narrative unfolds through a second-person perspective, placing the player directly in the role of the hero as they traverse both the familiar town and the nightmarish dimension of Magick.

Discussion often centers on the accessibility of this title compared to other Infocom entries, as it was designed to be more approachable for newcomers to the genre. Readers and players frequently highlight the clever use of the Wishbringer stone as a central mechanic that rewards creative experimentation. The atmosphere is often described as a balance between whimsical fantasy and genuine tension, effectively grounding the player in the stakes of the narrative. Critics often point to the world-building as a standout feature, noting how the transition between the ordinary and the magical is handled with precision. The pacing is generally considered steady, allowing for both exploration and focused problem-solving throughout the experience.