Suguru blog

Strategy, comparisons, and guides for Suguru fans. New here? Start with how to solve Suguru puzzles, then explore the rest. Prefer to just play? Jump in below.

• How to Solve Suguru Puzzles: Strategies and Techniques

  How to solve Suguru puzzles: the core techniques — cage completion, naked and hidden singles, and cross-cage adjacency elimination — that crack any grid by pure logic, no guessing.

• Suguru vs KenKen: How the Two Number Puzzles Compare

  Suguru vs KenKen: both fill cages with numbers, but they're very different puzzles. Here's how the rules, the maths, and the solving compare — and which to play if you love the other.

• Suguru vs Killer Sudoku: What's the Difference?

  Suguru vs Killer Sudoku: both use cages, but one is a Sudoku variant with sums and the other is a no-touching logic puzzle. Here's how they differ and which to play.

• Is Suguru a Type of Sudoku?

  Is Suguru a type of Sudoku? It looks like one, but it isn't — Suguru has no row or column rule. Here's how Suguru and Sudoku really differ, and why the no-touching rule changes everything.

• Do You Have to Guess in Suguru? Solving by Pure Logic

  Do you have to guess in Suguru? No — a well-made Suguru is always solvable by logic alone. Here's why, and how to find the next move when a grid seems to leave you stuck.

• What Makes a Suguru Puzzle Hard?

  What makes a Suguru puzzle hard? Grid size, the number of given digits, and cage sizes and shapes all play a part. Here's what separates an easy Suguru from a brutal one.

• The History of Suguru: Who Invented It and What the Name Means

  The history of Suguru: the Japanese puzzle creator Naoki Inaba, what the name means, the Tectonic and Number Blocks aliases, and how Suguru became a British newspaper favourite.

• Why Is Suguru So Popular in the UK?

  Suguru is far more popular in the UK than anywhere else — a Japanese puzzle that became a British newspaper staple. Here's why Suguru took off in Britain, and where to play it online.