Game guide · TYMJWATER
Follow the steps for Nurikabe
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. Keep the game area visible while you use its controls.
Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.
Take a closer look while playing
Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Keep the objective visible.
Your objective
Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block. Use the instructions to see which actions move you towards it. Start with a deliberate move.
The playing sequence
- Shade sea squares and leave islands white.
- Every island contains exactly one clue.
- Different islands cannot meet along an edge.
- Check puzzle verifies sizes, connectivity and forbidden sea blocks.
Input guidance
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. A careful first action helps you become familiar with the layout. Make sure you are interacting with the game rather than the surrounding page.
See the idea in action
An island labelled 1 is already complete, so its edge neighbours must be sea. Compare this with the rule that governs the move. Keep the game’s format in mind.
One detail worth checking
Two numbered islands may not merge into one. Take a moment to reassess the position before continuing. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.
Further help with the game
While reading the Guide, what is the goal of Nurikabe?
For clarity: 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.
What example helps explain Nurikabe?
Here is the relevant explanation: An island labelled 1 is already complete, so its edge neighbours must be sea.
While reading the Guide, what should I watch out for in Nurikabe?
For clarity: Two numbered islands may not merge into one.
For this browser game, what format does Nurikabe offer?
Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.
Before I begin, which play mode does Nurikabe use?
For clarity: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
For this browser game, where should I start with Nurikabe?
The key detail is this: Shade sea squares and leave islands white.
On this playing page, do I need an account or a payment for Nurikabe?
The key detail is this: No player account or payment is needed. Game scores are recreational results, not cash prizes.
How can I find Nurikabe again?
For clarity: 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.