Z Zeloku
Play today

For absolute beginners

10 Sudoku tips for absolute beginners

Ten small habits that turn a 30-minute Easy puzzle into a 5-minute one. In order of impact.

Play today's Easy → First: learn the rules

You've just learnt the three rules of Sudoku, played a puzzle or two, and the boards still feel like staring at a wall. That's completely normal. The trick to going from "I know the rules" to "I can solve any Easy Sudoku in five minutes" isn't intelligence — it's ten small habits, learnt in this order. Every experienced solver knows all ten. Most beginners know two.

Here they are, ranked by how much time each one will save you on your next puzzle.

1. Start with the digits that appear the most

Scan the givens and count which digit appears the most (usually 4, 5, or 6 times on an easy board). Try to place that digit's remaining copies first — you have the most constraint information about it, so it's the easiest to slot in.

2. Read one whole row, column and box at a time

Beginners jump around the board looking at random cells. Don't. Pick a row that already has 6+ digits filled in and finish it. Every full unit (row, column or box) you close down eliminates candidates elsewhere and unlocks the next move.

3. Learn the two techniques that solve every Easy puzzle

You only need Naked Single and Hidden Single to finish every Zeloku Easy board. Naked Single = the cell has only one digit that fits. Hidden Single = a digit has only one cell in its unit where it fits. That's it. No X-Wings, no Swordfish, no guesswork.

4. Never, ever guess

Published Sudoku normally has one solution, but the human technique required varies. Before guessing, rescan the candidates and look for a Hidden Single; if the board still stalls, use a structured advanced technique or a solver rather than a random move.

5. Use pencil-marks — but only when stuck

For Easy puzzles you rarely need them. For Medium+ they're essential. When you first stall, mark all candidates for the digit you counted in tip 1. You'll usually spot a Hidden Single within seconds.

6. Finish one digit at a time

Instead of solving 'cell by cell', try 'digit by digit'. Pick 1. Try to place every 1 on the board. Move to 2. This forces a systematic scan and stops you from missing easy moves in the corner of the grid.

7. Watch for pairs even on Easy boards

If two cells in the same row can only be 3 or 7 (a Naked Pair), then 3 and 7 are eliminated from every other cell in that row. This isn't Advanced — it appears on many Easy puzzles and it's the fastest way to break a stall.

8. Do the corners last

The four corner boxes usually have the fewest givens on Easy puzzles. Don't start there — you'll waste time. Build up the middle first, then the corners fall into place on their own.

9. If you fill a cell wrong, restart before you go too far

One incorrect digit poisons the whole board. If you notice something feels wrong (two 5s in a column, for example), scroll back to your last confident move rather than digging deeper. Zeloku highlights conflicts in amber so you can catch them early.

10. Play one puzzle a day, not ten

Progress in Sudoku is about pattern recognition, and patterns form through spaced repetition. Ten Easy puzzles in one sitting teach you less than one Easy puzzle a day for ten days. This is the single biggest habit lever.

Where to go next