Tides of Tethys is an immersive underwater roguelite simulation game centered around exploring and surviving the uncharted depths of an alien world, while building and maintaining modular outposts. Players will lead expeditions of Knights into the unknown, in the hopes of rebuilding their long lost kingdom and unifying the houses of Tethys once again. As they dive further into the Abyss, they will discover compelling new places, uncover lost technologies, and conquer a variety of dangers that lurk beneath the surface.