5 Submarines, printable PDF.
Requires the base game Sunken Dungeon. Buy the print book, or get the print-and-play for free:
5 Extra full-page submarines. These ones seem to have some kind of…infection. Not really sure if that’s a problem, but it makes them look all creepy-cool! With some of them, we’re not sure if they started life as a submarine or as a mutated evil monster-fish.