Game guide · CSDJJY
The Nurikabe playbook
Bring your attention to one round 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. Keep the game area visible while you use its controls.
Play ten compact 5×5 puzzles. Some boards begin with fixed shaded sea cells.
Build familiarity through play
After a move, check what changed. Decide which rule explains the new state before acting again. 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. Take a moment to understand the current position.
Making your moves
- 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.
Your inputs
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. Check any mode label before starting.
Try this example
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. Notice the change in the playing area.
Where a round can go wrong
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.
Game-specific help
On this playing page, what is the goal of Nurikabe?
Keep this in mind: Create one connected sea around numbered islands of exactly the stated size, without a 2×2 sea block.
As a new player, 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.
For a quick reminder, what example helps explain Nurikabe?
For clarity: An island labelled 1 is already complete, so its edge neighbours must be sea.
On this playing page, what should I watch out for in Nurikabe?
Two numbered islands may not merge into one.
For this browser game, 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 reading the Guide, 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.
Where should I start with Nurikabe?
Here is the relevant explanation: Shade sea squares and leave islands white.
While reading the Guide, do I need an account or a payment for Nurikabe?
Here is the relevant explanation: No player account or payment is needed. Game scores are recreational results, not cash prizes.
When I return, how can I find Nurikabe again?
The key detail is this: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
While reading the Guide, how do I report an issue with Nurikabe?
Here is the relevant explanation: 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.
