#448 and 449: Dual Masyu
This puzzle should also only have one solution if "Change to Ura-Mashu" is enabled. https://puzz.link/p?mashu/10/10/16600c0l0102i0i010009i3i0006fb7000
A collection of all the puzzles I've shared online and more (that aren't broken). It's mostly up to date. Huge special thanks to everyone who's test-solved, pointed out nonunique puzzles, or contributed foundational ideas, especially the #paper-has-puzzle channel of the Baba Is You Discord server.