Sanma no Meitantei

Sanma no Meitantei is an oddball detective game whose murder-and-missing-diamond setup quickly turns into a comedian-packed tour of Osaka. You play the assistant to Sanma Akashiya, here recast as a famous private eye, and the pleasure comes from poking at suspects, following leads, and watching a straight mystery premise accommodate an intentionally playful celebrity cast.

Its menu-driven investigation is classic old-school adventure design: look closely, examine, take, use, and be prepared to test the game’s logic when a lead goes cold. The action minigames, including a Galaxian parody, break up the questioning but can also stall your progress. It is a charming curiosity for patient adventure fans, especially if the era’s Japanese comedy scene is part of the draw.

Platform: NES

Retro Replay Review

Gameplay

Sanma no Meitantei starts by putting you in a comfortably familiar detective bind: a guest has died at a wealthy president’s villa, the Star of Africa diamond has vanished, and Sanma Akashiya has been summoned to sort it out. You are his assistant rather than the detective himself, which gives the investigation a nice hands-on feel. The first stretch is about learning how to interrogate the game as much as its suspects—checking rooms, examining points of interest, collecting useful objects, and deciding what deserves another look.

This is firmly in the old adventure-game tradition. Commands such as Look, Examine, Take, and Use mean progress can hinge on trying the right action in the right place, rather than simply following a highlighted trail. A pointer lets you inspect particular spots, while a third-person map carries you between the growing list of Osaka locations. That structure gives the case a welcome sense of expansion once new places begin opening up, although it also asks for patience when the next step is not obvious.

The minigames are the main source of friction. They are not optional diversions; you must clear them to move the plot forward. The standout is a parody of Namco’s Galaxian, an amusing detour on paper and a reminder that this mystery refuses to stay entirely serious. If you enjoy adventure games that abruptly ask you to prove a little arcade competence, the variety helps. If you came solely to question suspects and piece together clues, these roadblocks may test your goodwill.

Graphics

The investigation is viewed through first-person, menu-driven screens, with a pointer used to probe specific details, while the map switches to a third-person view for travel around Osaka. That change of viewpoint gives the game a clear visual separation between searching a location and choosing where to go next.

Story

The central case is simple and sturdy: a death at a villa and the theft of a famous diamond give you two immediate reasons to distrust everyone in the room. It is a strong mystery-game foundation because the stakes are clear before the story starts spreading outward.

What makes it distinctive is Sanma himself. Akashiya Sanma was a real comedian and television personality, and the game cheerfully imagines him as a renowned private detective. Suspicious faces encountered around Osaka are also drawn from real-life comedians working at the same studio at the time, so the game’s humor is built into its casting rather than added as an occasional gag.

That makes this a particularly interesting period piece. You do not need to know every comedian to understand the murder-and-diamond plot, but familiarity with the personalities likely adds another layer to each encounter. Even without that context, the contrast between a conventional detective premise and its comedian-filled cast gives the case an agreeably strange flavor.

Overall Experience

Sanma no Meitantei is easy to appreciate as a peculiar 1987 Namco experiment: part first-person detective adventure, part location-hopping puzzle game, and part arcade interruption. Its best quality is that it commits to its premise. A prestigious private detective story starring a comedian could have been a thin joke, yet the game gives you a real case to work through and a cityful of suspects to investigate.

The trade-off is old-school adventure friction. You will need to examine carefully, experiment with commands, and accept that advancement sometimes depends on clearing an action challenge rather than making a deduction. That can make the rhythm uneven, especially when you are invested in the investigation and the game suddenly demands a different skill set.

Give it a chance if you enjoy vintage Japanese adventure games, unusual licensed casts, and mysteries willing to become a little silly. The payoff is less about a polished detective simulation than the novelty of seeing a straight-faced whodunit collide with comedy culture and arcade play. For the right kind of retro fan, that collision is exactly why it is worth investigating.