This is a Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page

This is a Snake Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page

In addition to the usual rules for Nurikabe, the shaded cells must form a snake that does not touch itself. In other words, each shaded cell may only be adjacent to at most two other shaded cells.

This is a Snake Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page

In addition to the usual rules for Nurikabe, the shaded cells must form a snake that does not touch itself. In other words, each shaded cell may only be adjacent to at most two other shaded cells.

This is a Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page

This is an Araf Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page

In this Nurikabe puzzle, each region must contain exactly two numbers. The size of the region must lie strictly between these two numbers.

This is a Nurikabe (Yajisan-Kazusan) puzzle.

The rules for Nurikabe can be found here: Rules page

In this Nurikabe puzzle, cells with numbers may be blacked out. If a number is blacked out, it no longer plays any role in the puzzle.

This is a Nurikabe puzzle.

The rules for Nurikabe can be found here: Rules page