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XUEWEIBA

Solo · FREE PLAY

Nurikabe

Read the rules ↓
Logic & numbers
Choose your controls and enjoy a free round.
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Game guide · XUEWEIBA

Read before your next round of Nurikabe

Use a short break to learn the rhythm of Nurikabe. Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block. Keep the game area visible while you use its controls. Read the objective before making your first input. Use the example below to understand a decision.

Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.

Bring this focus to a round

Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention. Make the next step deliberately.

Aim for this result

Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block. An attractive position is not enough unless the goal is met. Check the rules when you are unsure.

From the start of a round

  1. Shade sea squares and leave islands white.
  2. Every island contains exactly one clue.
  3. Different islands cannot meet along an edge.
  4. Check puzzle verifies sizes, connectivity and forbidden sea blocks.

How to use the controls

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Keep the playing area visible while using these controls. A new-round button replaces the current round.

An example before you play

An island labelled 1 is already complete, so its edge neighbours must be sea. Your next round may have a different position, so inspect it before acting. Keep the game’s format in mind.

Avoid this misunderstanding

Two numbered islands may not merge into one. A different version of the game may use a different rule. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.

Game-specific help

While reading the Guide, what is the goal of Nurikabe?

Here is the relevant explanation: Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block.

On this playing page, how do I control Nurikabe?

Here is the relevant explanation: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

When I return, what example helps explain Nurikabe?

Keep this in mind: An island labelled 1 is already complete, so its edge neighbours must be sea.

As a new player, what should I watch out for in Nurikabe?

Keep this in mind: Two numbered islands may not merge into one.

Before I begin, what format does Nurikabe offer?

Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.

For my first round, which play mode does Nurikabe use?

The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.

Before I begin, where should I start with Nurikabe?

Keep this in mind: Shade sea squares and leave islands white.

On this playing page, do I need an account or a payment for Nurikabe?

No player account or payment is needed. Game scores are recreational results, not cash prizes.

For a quick reminder, how can I find Nurikabe again?

Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.

For this browser game, how do I report an issue with Nurikabe?

The key detail is this: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.

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