Rules, solutions, controls, and trust.

Murdok is a spatial detective puzzle. Read truthful witness statements, place one person in every row and column, then identify the victim’s only room companion.

Yes. Published cases are checked by a local constraint solver. The public clues alone must produce exactly one complete layout before a case can ship.

The murderer is not used as a hidden solving shortcut. First the clues produce the unique placement; then the game checks which single person shares the victim’s room.

Open floor, rugs, doors, windows, and the victim marker can be used when the case allows it. Furniture and equipment cells marked “No standing” cannot hold a person.

The rating combines board size, clue relation complexity, direct-clue ratio, scene density, and the solver’s search pressure. Introductory, easy, medium and hard cases are covered by regression checks; the label is an estimate of effort.

Yes. Drag portraits on desktop, or select a portrait and hold a destination cell on touch devices. Board cells and modal controls also support keyboard interaction.

Progress and preferences are stored on this device. The Print section previews a single A4 or Letter sheet with colored rooms or monochrome patterns, writing space and an optional answer overlay.

No. Murdok is an independent original game with its own Stillsea setting, cases, characters, artwork, and implementation.