Company file · public record

Inside the
puzzle bureau.

Detective Puzzles turns logic, wordplay and codes into cozy cases you can investigate in a browser. The atmosphere sets the scene; fair evidence closes the case.

BRIEFING 01 · ORIGIN

A mystery should be more than a coat of paint.

Detective Puzzles is a specialist case room within the Hamilton Digital Media puzzle network. It brings together original browser games where the grid is not merely decorated like a mystery—the solved grid becomes testimony, a location, an alibi or a code.

The site began with three different routes into deduction. Dedoku turns a building map and Sudoku-style restrictions into a clue-led search. Detective Word Search hides a false suspect and secret evidence among the leftover letters. Detective Crosswords uses solved answers as alibis, shaded scene letters and coordinate evidence.

Each game aims for the same result: a player should be able to explain not only what the answer is, but why the evidence proves it.

How an investigation is made

The work moves between puzzle design, software engineering, editorial judgement and repeated player testing.

  1. 01

    Find the case idea

    Start with a familiar puzzle action—searching words, solving clues or eliminating positions—and ask how it could become evidence in a mystery.

  2. 02

    Build the logic

    Create the engine, rules and case derivation so every culprit, location and object can be proved from the puzzle the player actually receives.

  3. 03

    Test the trail

    Solve as a new player would. Check wording, controls, difficulty, edge cases, mobile behaviour and whether the accusation follows fairly from the clues.

  4. 04

    File and revisit

    Publish the case with clear instructions, useful print options and room to improve when a player reports something the first investigation missed.

Meet the people in the case room

Two different viewpoints shape the work: whether the system is logically reliable, and whether the person playing can understand and enjoy it.

Technical case lead

Brian Hamilton

Brian builds the puzzle engines, generators, playable boards, print systems and site code. His work turns a case concept into a reliable game that can be solved on the screen in front of the player.

  • Web developer and puzzle-site creator
  • Internet engineering background
  • 30 years of development experience
Open Brian’s file
Puzzle design & review

Karan Hamilton

Karan shapes puzzle ideas, tests cases, reviews instructions and judges the experience from a player’s first encounter through to the final accusation.

  • Puzzle designer and game tester
  • Co-founder of Sudoku Online Puzzles
  • Player-experience contributor
Open Karan’s file

What every case should uphold

The details vary by game, but the publishing standard does not. These are the checks behind the green lamp and case-file styling.

01

Evidence before guesswork

A fair case contains what the solver needs. Atmosphere may hide the trail, but it must never replace the logic.

02

Clear before clever

Detective language adds character after the objective and controls are understandable. Confusion is not a difficulty setting.

03

Cozy, not cruel

Cases use missing prizes, curious mix-ups and playful capers. The site avoids violent crime, horror and distressing imagery.

04

Built for the screen in hand

Boards, clues and controls are checked on mobile, tablet and desktop, with keyboard access and visible focus where the game allows it.

05

Corrections stay welcome

Generated puzzles and editorial copy are tested, but reports are taken seriously and useful corrections become part of maintaining the case library.

06

Claims stay proportionate

Puzzles can practise attention, language and reasoning habits; we do not turn that enjoyment into unsupported medical promises.

Part of Hamilton Digital Media Limited

Detective Puzzles shares its publisher with a wider collection of logic, word, Sudoku, strategy and brain-training projects across websites, apps and books. The visual identity changes from project to project; the practical standards—clear rules, useful tools, fair challenge and responsive play—travel with the company.