Troll entry

Rules of Nurikabe. Difficulty: trolling, obviously.

Just about medium Nurikabe

Rules. One of these days I'll actually have a pattern survive uniqueness.

Auspicious Nurikabe

Rules - medium

Very easy Nurikabe

Rules.

An unpleasant Nurikabe

Well, a Nurikabe variation actually. The two squares with crosses must be of different colours.

This is a punishing puzzle, with no pleasant path to solution. So, why publish? Because I can use it to win an argument with a friend.