Underwater

A generative pixel-art Walstad aquarium. Plants grow, fish school and breed, shrimp climb stems, snails crawl the glass. Watch a closed nutrient loop settle into equilibrium — chunky pixels, sim depth underneath.

The penniless otter taps on the magic drift bottle, and strange seashells keep appearing on the beach! Smash the shells, sell the pearls, upgrade the otter and pinball machine~

Simulate how fish thrive in the open ocean.

A cute 2D underwater puzzle adventure based on Touhou Project.

Betrayed by the regime, you are the last survivor of a sunken submarine. Mine for vengeance, rebuild your wreck into the ultimate war machine, and ignite a rebellion. Defend against waves of corrupt fleets and monsters in this brutal roguelike action miner and then blow the Kremlin sky high.

An underwater roguelike deckbuilder where every dive is a gamble. Chain explosive card combos, push deeper for richer loot, and surface before your hull breaks. Bring the haul home to upgrade your deck—and build a base other players can raid while you're away.

Take to the seas and help bring life back to a shattered ocean archipelago in this third person ocean adventure created by a marine biologist! Make use of your trusty vessel, deep sea diving skills, and a sprinkling of magic to achieve your goals and help the people of Rhu.

Descend into a drowned world of shipwrecks, forgotten ruins, and abyssal horrors in this deep-sea horror Soulslike. Explore the depths, battle monstrous creatures, and uncover secrets hidden beneath the waves.

KATAVATIS is a first-person metroidbrainia about descending into W.A.R.P., an abandoned deep-sea facility built as a last resort to find a solution to save our dying planet.

A cozy coding game. An AI made Code City forget how its own code works – and the city went dark. Find the bugs, close the gaps, and bring it back to life one line at a time.

Spearfish is a short action-adventure game where you spear through and catch fish as a swordfish. Explore open environments and catch a range of creatures from real-life fish to sea beasts.

Explore a hidden underwater ecosystem beneath the surface of a remote crater lake. Become familiar with the diverse local wildlife, investigate submerged ruins and wrecks, and recover lost equipment. Make new discoveries as you go deeper. But be careful, the lake might hold unknown dangers.