AntiMatter Games have released the ShadowSea Deluxe Color rulebook.
From their announcement:
A new deluxe color version of the ShadowSea rulebook is now available for purchase as a PDF for $19.99 USD. The deluxe edition has new artwork and new sections, including an example battle with maps showing how movement and combat is resolved, and a step-by-step painting guide for the Leviathan miniature from the Dark Mariner force.ShadowSea is a 28mm skirmish game set in a lost underground world, combining magic and steampunk elements with 17th century adventurers.
Those who have already purchased the original rules can get the deluxe edition for $9.99 USD by contacting AntiMatter Games.
A bundle of the new deluxe edition rulebook with the Campaign Chronicles and Stygian Depths is available for $29.99. Those who have already purchased the original rulebook, the Campaign Chronicles and Stygian Depths get the deluxe rules as a free upgrade.