cats · hard · 40x40

Space Cat 40x40 Nonogram

Play Space Cat 40x40 Nonogram, a 40x40 hard nonogram puzzle.

Difficulty
Hard
Grid
40x40
Category
Cats
space catcatshard40x40picrossnonogram
Time 00:00 Progress 0% Ready

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About this puzzle

A hard 40x40 grid in the cat theme, Space Cat 40x40 Nonogram hides a recognisable picture once the logic clicks. About 42% of the grid is shaded — 666 filled cells out of 1600 — which makes for a fairly balanced board.

Its longest clue runs to 30 cells, so anchoring that block early gives you a reliable foothold. Budget about 25 minutes for a relaxed solve.

How to solve this nonogram

On a large board, divide it into zones: lock in the longest clues, mark proven-empty cells with X, and only then chase the tight lines. With balanced coverage, alternate between filling forced cells and ruling out empties to keep both kinds of clue moving. Use Check whenever you want to confirm progress, and switch on Challenge mode if you prefer catching errors as they happen.

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FAQ

FAQ

What size is Space Cat 40x40 Nonogram?

Space Cat 40x40 Nonogram is a 40x40 hard nonogram, so you can expect a longer, more demanding solve.

Does this puzzle save my progress?

Yes. Your moves and timer are saved in the browser after every action, so you can close the tab and come back later without losing anything.

How do I check for mistakes?

Tap Check any time for a manual review, or turn on Challenge mode for immediate feedback as you play.

What do the X marks do?

X marks flag cells you've proved are empty. They don't affect the solution, but they make bigger grids much easier to track.