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SXSS56

Solo · FREE PLAY

Nurikabe

Read the rules ↓
Logic & numbers
Choose your controls and enjoy a free round.
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Game guide · SXSS56

The Nurikabe playbook

Choose a round of Nurikabe and settle into its rules. Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block. Use the example below to understand a decision. 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.

One thing to notice as you play

Read one step at a time and try it on the playing area. Match the instruction to the control you use. Notice the feedback after each input.

The objective of a round

Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block. Read that aim before choosing your first action. Keep the controls in easy reach.

Follow these playing steps

  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.

Getting comfortable with 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. Use one clear input at a time.

An example before you play

An island labelled 1 is already complete, so its edge neighbours must be sea. Focus on why the action is allowed, not only its outcome. Check the stated objective.

An important reminder

Two numbered islands may not merge into one. Compare the situation with the worked example. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.

Common questions

For this browser game, what is the goal of Nurikabe?

The key detail is this: Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block.

For my first round, how do I control Nurikabe?

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.

For a quick reminder, what should I watch out for in Nurikabe?

Two numbered islands may not merge into one.

For a quick reminder, what format does Nurikabe offer?

Keep this in mind: Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.

As a new player, which play mode does Nurikabe use?

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

As a new player, where should I start with Nurikabe?

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

For my first round, do I need an account or a payment for Nurikabe?

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

While reading the Guide, how can I find Nurikabe again?

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

Before I begin, 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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