Islands - A puzzle app based on Nurikabe

What it does

Islands is a puzzle game that is based on the Japanese puzzle, Nurikabe. Islands puzzle is based on pure rules, similar to Sudoku, kakuro and Hash. Build island clusters and fill the board by following certain rules.

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  Hi HN, I made a small game in Swift to visualize Nurikabe puzzles in 3D, using SceneKit and Metal shaders with some SwiftUI on top for buttons and hints. It's currently available for free in App Store. I've tried generating islands like this a few times before, where the whole board is just one big mesh, but I struggled with the shorelines (especially in corners) and also to make the islands somewhat unique and interesting. This time I got inspired by Oskar Stålbergs "dual grid" approach (https://x.com/OskSta/status/1448248658865049605) which made it a lot easier I…

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