Best Underwater Steam Games on Sale
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated underwater games.
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Project Castaway
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
Starsand Island
Tired of the city grind? Escape to Starsand Island and embrace the simple joys of country life! Live alongside capybaras, cats, and dogs, reel in a big catch, and explore the enchanting Moonlit Forest. Leave the hustle behind and experience the charm of this seaside paradise.
Voyagers of Nera
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.
Ultimate Fishing® Simulator 2
Fish around the globe using float, bottom, spinning, or casting gear, and catch over 60 realistic fish species. Play solo or online in normal, realistic, or sandbox mode! Explore stunning locations, switch to an underwater cam, and fill your trophy room!
Dreamcore
Experience liminal spaces like never before. Dreamcore is the ultimate psychological exploration game, set in the largest liminal world ever made. No guides, no path—only intuition. Will you keep your bearings in a world designed to make you lose them?
Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
Surviving the Abyss
Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
Survival: Fountain of Youth
Survival: Fountain of Youth is a challenging single-player open-world adventure game set on the Caribbean islands. Survive as a shipwrecked 16th-century explorer, craft tools and shelter, and uncover the secrets of both an ancient civilization and your own fate.
Another Crab's Treasure
In a vibrant undersea kingdom on the verge of collapse, a hermit crab embarks on a treasure hunt to buy back his repossessed shell. The second game from AGGRO CRAB.
Loddlenaut
Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!
Under The Waves
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Sunkenland
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?
DAVE THE DIVER
DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.
Barotrauma
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Death in the Water 2
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.
Stranded Deep
Take the role of a plane crash survivor stranded somewhere in the Pacific Ocean. Come face to face with some of the most life threatening scenarios that will result in a different experience each time you play. Scavenge. Discover. Survive.
FAR: Changing Tides
An atmospheric vehicle adventure that follows the emotional journey of a boy and his ship as he embarks on a voyage to find a new home.
Aquarium Designer
Aquarium Designer gives you an opportunity to create the aquarium of your dreams! Become a professional whose job is to design it, build it, and fill it with the various underwater wildlife! All types, all sizes - your creativity is your only limit!
Northern Journey
A norwegian happysad game set in a northern land! Adventure through a beautiful and very varied wilderness. Dive, fly, use ziplines and find different weapons to aid your journey to reach the cold mountains and below. Encounter over 50 unique bosses and enemy types!
Subnautica: Below Zero
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
The Shore
THE SHORE is a first person story driven game with an atmospheric environment and narrations, You will encounter mysterious creatures and unravel the secrets behind them. Strong elements of horror, struggle to survive an unknown world that will make you question your own sanity.
Stirring Abyss
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.
SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Are you ready, kids? The cult classic is back, faithfully remade in spongetastic splendor! Play as SpongeBob, Patrick and Sandy and show the evil Plankton that crime pays even less than Mr. Krabs.
Beyond Blue
Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean.
In Other Waters
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?
Submarine Titans
Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.
The Fisherman - Fishing Planet
The Fisherman – Fishing Planet is for all fans of nature and sport fishing! This simulation, made by and for fishing enthusiasts, recreates all the finer details of the art of fishing with unrivalled authenticity.
We Need To Go Deeper
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
Shark Attack Deathmatch 2
Combat in Shark Attack Deathmatch 2 is savage, gritty, and brutal. Players hunt each other down in various game modes with the constant threat of terrifying sharks joining in on the bloodshed. Tear divers apart as you take on the role as the ocean's top apex predator, The Great White.
FREEDIVER: Triton Down
Plunge into VR on a capsizing research ship, the Triton, where survival means outmaneuvering the water's lethal surge. Freedive through a sinking ship, overcome underwater chaos, and unlock your path to the surface, all while protecting your most precious resource: the breath in your lungs.
Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.