Underwater

This is an idle game you can leave in the corner of your desktop. Watch at your leisure as an android girl researches microbes in a post-apocalyptic world.

There's Nothing Down There is a short undersea horror exploration game. Descend into a sinkhole at the bottom of the ocean and discover the remains of a lost, yet not dead, civilization.

As Jack Argyle, you are tasked with restoring communication at the underwater ex-Aegis facility known as Phorcys Station. Be careful, or risk joining the spirits trapped inside.

Prepare for deep-sea action! Lead swarms of krill against predators looking for their next meal. Utilize the strength of a krillion krill to swat away your enemies. With hammers, scissors, and more unique construct abilities, master the way of the krill and lay claim to your home.

BioShock is a shooter unlike any other, loaded with unique weapons and tactics. Complete with an arsenal of revolvers, shotguns, and grenade launchers, players will be forced to genetically modify their DNA to become an even deadlier weapon.

Machorium - Muscle Aquarium Simulator - is a relaxing idle and sandbox game where you can unwind and have fun. Use points generated by cute little decorative muscle men to unlock various items and create your ideal muscle aquarium, Machorium.

Welcome [EMPLOYEE] to your new job protecting Deep Sea Cables from creatures of the deep. We're not liable for loss of limbs, sanity, or life while on the job. Don't forget to keep your desk clean and your eyes on those cameras!

A mysterious signal. A missing crew. And the one man trying to piece it all together. As Abe Douglas, dive deep into a fully underwater metroidvania to explore massive oceanic biomes, battle monstrous bosses, and piece together a mystery that threatens not only your crew, but your own sanity.

From the creators of Ratchet & Clank, Song of the Deep is a metroidvania-style action-adventure game following a young girl’s quest into the unknown to find her missing father. It combines underwater discovery, skill, and suspense with a powerful story.

Watch the bottles quietly flowing down the river, listen to the pleasant sound of running water, throw small stones into the water, and discover the small animals living by the river... I believe you will definitely gain a wonderful mood.

Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players.

Dodge and carve your way through swarms of terrifying sea creatures controlled by Death, a vicious giant mind-controlling Kraken that haunts your every move. Scavenge for hidden treasure to unlock weapons, and upgrades to help you in your fight for survival. Every dive reveals a new nightmare.