Author profile

Karan Hamilton

Karan Hamilton is a puzzle designer, game tester, and co-founder of Sudoku Online Puzzles. She helps shape puzzle ideas, testing, writing, instructions, and the player experience across the Hamilton Digital Media puzzle network.

Degree-level educated
Co-founder of Sudoku Online Puzzles
Puzzle designer and game tester
Player-experience contributor across the puzzle network

Puzzle background

A puzzle designer and tester with a strong player-first instinct.

Karan is a co-founder of Sudoku Online Puzzles and contributes to the puzzle ideas, testing, writing, and player experience behind the Hamilton Digital Media network. Her role is especially important where a puzzle needs to feel clear, fair, and worth returning to.

She helps with almost every part of the process outside the coding: testing puzzle pages, reviewing wording, shaping game ideas, and judging whether a page makes sense to someone encountering it for the first time.

Expertise

What Karan brings to the puzzle network.

Puzzle ideas and game feel

Karan helps judge whether a puzzle idea is easy to understand, interesting to return to, and satisfying when the solution finally clicks.

Player testing and clarity

Her work often focuses on the player's first impression: whether the instructions make sense, whether controls feel natural, and whether the challenge feels fair.

Strategy and family games

Karan's love of strategy games grew from family game nights and classics such as Risk and Stratego, where clear rules, planning, and turn-by-turn decisions matter.

Accessible puzzle content

She contributes to wording, page feedback, testing, and puzzle ideas where approachability matters as much as the logic underneath.

Testing standards

How Karan evaluates a puzzle experience.

  • A puzzle should be inviting before it becomes difficult.
  • Instructions should make the first move feel possible.
  • A fair game gives players enough information to reason forward.
  • Testing should catch confusion as well as technical bugs.
  • Family-friendly puzzle pages should respect both beginners and experienced solvers.

Game ideas

Fresh puzzle concepts built from familiar play.

Karan enjoys designing game ideas that borrow the best parts of old favourites and turn them into something new. Dedoku is one example: a mystery clue game crossed with Sudoku, built around deduction, logic, and narrowing down possibilities.

That design perspective matters across the wider network. A puzzle can be technically correct and still miss the mark if it feels awkward, unclear, or unrewarding. Karan's contribution is often the practical player judgement that catches those problems early.

Published work

Projects connected to Karan's puzzle work.

sudoku-for-kids.com

Sudoku for Kids

Child-friendly sudoku practice and puzzle learning.

Visit

aces-up-solitaire.com

Aces Up Solitaire

A clean, strategic solitaire experience.

Visit

word-search-online.com

Word Search Online

Free online word search puzzles for quick brain training.

Visit

play.google.com

Cargo Shuffle

A mobile logic puzzle built around moving cargo with intent.

Google Play

play.google.com

Bulls and Cows

A classic deduction game for code-breaking practice.

Google Play

play.google.com

Liars Dice

A probability, bluffing, and strategy dice game for mobile.

Google Play

Across the network

Karan helps make puzzle experiences clearer, fairer, and easier to enjoy.

You may see Karan's influence in the parts of a puzzle site that decide whether people keep playing: the first explanation, the feel of the challenge, the fairness of the test, and whether a game still makes sense when someone returns to it later.

Her work across Hamilton Digital Media is rooted in player judgement: testing puzzle ideas, improving wording, checking that pages feel approachable, and helping shape games that families, beginners, and regular solvers can all understand.