Game guide · BDPSFJS
Understand the basics of Nurikabe
Try Nurikabe at your own pace and keep its objective in view. 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. Choose a clear next step rather than rushing through the instructions.
Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.
An idea for your next attempt
When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. Refer to the controls when needed.
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. Take a moment to understand the current position.
The steps to play
- 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.
Keyboard and screen controls
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Use the control method described here for this activity. Read the example below alongside these instructions.
See the idea in action
An island labelled 1 is already complete, so its edge neighbours must be sea. Apply the same reasoning to the position in your own round. Look for the relevant detail.
Where a round can go wrong
Two numbered islands may not merge into one. Check the rule before repeating the action. Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules.
Common questions
As a new player, what is the goal of Nurikabe?
Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block.
While learning, how do I control Nurikabe?
Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
While learning, what example helps explain Nurikabe?
Here is the relevant explanation: An island labelled 1 is already complete, so its edge neighbours must be sea.
When I return, what should I watch out for in Nurikabe?
Keep this in mind: Two numbered islands may not merge into one.
While learning, what format does Nurikabe offer?
The key detail is this: Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.
While learning, 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?
Here is the relevant explanation: Shade sea squares and leave islands white.
Do I need an account or a payment for Nurikabe?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
On this playing page, how can I find Nurikabe again?
Here is the relevant explanation: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
For a quick reminder, how do I report an issue with Nurikabe?
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.
