- #1 Beyond Blue
97% matchVery Positive88% of 1,441 reviews2020
Dev: E-Line Media
Windows
Median: 3.0 hrsMean: 29.4 hrs≥1hr: 68%
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.
Why similar: Underwater 75.9% ★, Exploration 7.6%, Female Protagonist 5.3%, Adventure 5.2%, Open World 3.8%
- #2 Song of the Deep
96% matchVery Positive85% of 864 reviews2016
Dev: Insomniac GamesPub: GameTrust Games
Windows
Median: 3.5 hrsMean: 4.8 hrs≥1hr: 89%
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.
Why similar: Underwater 70.9% ★, Female Protagonist 18.5%, Adventure 8.1%, Puzzle 2.5%
- #3 SWAMH
95% match1 user reviews100% of 1 reviews2025
Dev: katarausoncho
Windows
A 3D action-adventure game where a mermaid uses the power of her song to dispel the dark mist and restore the ocean’s vibrant beauty. Purify the darkened corals by delivering your song and restore their beauty. Swim swiftly by passing through bubble rings scattered across the field.
Why similar: Underwater 49.9% ★, Female Protagonist 18.3%, Exploration 10.9%, Adventure 5.4%, Third Person 5.4%
- #4 Caerulean: Beneath and Beyond
94% matchNo user reviews
Dev: Spotless Mind Studios
Windows
The year is 2058. Ocean sea levels have risen considerably and several coastal cities have been abandoned. As Laura Deckard, you will explore underwater stations and surrounding areas, help clean underwater ecosystems and interact with the other denizens of the blue world.
Why similar: Underwater 53.3% ★, Female Protagonist 13%, Open World 12%, Exploration 7.2%, Adventure 5%
- #5 Wonders of the Deep
94% match2 user reviews100% of 2 reviews2025
Dev: Salty Water
Windows
Wonders of the Deep is a third-person underwater exploration adventure with puzzles, marine wildlife, and diving mechanics in a mysterious world.
Why similar: Underwater 60.1% ★, Adventure 10.3%, Exploration 9.2%, Puzzle 7.2%, Female Protagonist 7.2%
- #6 The Fish
93% match6 user reviews100% of 6 reviews2022
Dev: Nevsram
Windows
Dive down and see what lies beneath the surface. Discover a vast underwater world as different fishes. The game does not offer any real "Game Play" but is more of a simulation.
Why similar: Underwater 82.2% ★, Open World 14.3%, 3D 2.4%, Singleplayer 1.1%
- #7 Under The Waves
91% matchMostly Positive78% of 1,801 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.5 hrsMean: 22.1 hrs≥1hr: 70%
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...
Why similar: Underwater 71.4% ★, Exploration 8.7%, Adventure 8.1%, Third Person 4.3%, Open World 2.9%
- #8 VR Hiroshima 1945
92% matchMixed52% of 32 reviews2021
Dev: William of Oxford
Windows
This is a sad story, a tragic moment. In the summer of 1945, atomic weapons were used for the first time in human history.
Why similar: Underwater 67.3% ★, Adventure 13.1%, Exploration 11.7%, First-Person 6.9%, Singleplayer 1%
- #9 Mythic Ocean
91% matchVery Positive93% of 163 reviews2020
Dev: Paralune LLCPub: Untold Tales
Windows
Median: 2.1 hrsMean: 22.6 hrs≥1hr: 56%
Teach the gods to create a better universe - or mess it all up in Mythic Ocean, a narrative exploration game where your choices shape the fate of the cosmos.
Why similar: Underwater 75.4% ★, Adventure 13.3%, Exploration 6.7%, Indie 4.5%
- #10 Mermaid Life
90% matchNo user reviews
Dev: Mermaid Life Studio
Windows
be born a mermaid and learn to live on land, or start as a human and uncover your true destiny. Work, socialize, explore, and customize your character while learning to balance life between two worlds. But beware! Your choices may bring blessings or curses, and the Sea Witch always demands a price.
Why similar: Underwater 42.3% ★, Open World 16%, Mythology 15.6%, Fantasy 11.4%, Third Person 5.9%
- #11 Diluvion: Resubmerged
89% matchMixed62% of 1,124 reviews2017
Dev: Arachnid GamesPub: Good Shepherd Entertainment
Windows · Mac · Linux
Median: 5.2 hrsMean: 6.5 hrs≥1hr: 85%
Diluvion is a 3D deep sea, Jules Verne inspired, exploration game with RPG elements and thrilling submarine combat. As the Captain of your own vessel, you must grow and manage your crew as you search for the secrets of the past in a hauntingly beautiful flooded world.
Why similar: Underwater 86.4% ★, Adventure 7%, Open World 4.1%, Indie 2.1%, Singleplayer 0.4%
- #12 Baiacool - Tides of Olympus
89% matchNo user reviews2026
Dev: Sasquatch with socks
Windows
Dive deep into Greek mythology (literally)! Face sea gods armed to the fins, solve puzzles, and discover that even at the bottom of the ocean, divine drama never stops.
Why similar: Underwater 57.2% ★, Mythology 22.9%, Puzzle 7.1%, Exploration 5.5%, Adventure 3.4%
- #13 tuna hake's underwater
87% matchVery Positive99% of 94 reviews2025
Dev: osuika
Windows · Linux
you are a fish who does tricks
Why similar: Underwater 80.6% ★, Open World 8.3%, Exploration 5.8%, 3D 3.7%, Indie 1%
- #14 Invincible Fins
88% match2 user reviews100% of 2 reviews2021
Dev: Reggelente
Windows
A game recommended for younger kids. You control a little fish that just got back to the ocean from a thrown away aquarium. Explore the colorful underwater world, collect treasures, avoid dangers and find your new home.
Why similar: Underwater 76.5% ★, Adventure 11%, Exploration 10.5%, Indie 1.1%, Singleplayer 0.8%
- #15 Dive Buddies
86% matchNo user reviews
Dev: Mischief Games, LLC
Windows
A cozy third-person adventure where you will make new friends, experience realistic physics and buoyancy characteristics as you dive beneath the waves to explore an exciting undersea world, and develop a world-class aquarium.
Why similar: Underwater 75.2% ★, Exploration 9.1%, Adventure 7.2%, Third Person 6.3%, 3D 1.5%
- #16 Feed and Grow: Fish
86% matchMostly Positive78% of 20,772 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.2 hrsMean: 15.2 hrs≥1hr: 81%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 83% ★, Open World 12.5%, Adventure 2.7%, Indie 1.1%, Singleplayer 0.7%
- #17 To The Deep
84% matchNo user reviews2026
Dev: kay56
Windows
Dive into a surreal deep sea dream. Survive by devouring and evolving, and encounter a cast of strange, mysterious companions. Explore, upgrade, and uncover the "truth" hidden beneath the beautiful waves. This is more than an adventure—it is a dimension-breaking dive to the deep.
Why similar: Underwater 76.9% ★, Exploration 8.4%, Adventure 6%, First-Person 3.6%, Fantasy 3.4%
- #18 Ladybugs and Storm
85% matchNo user reviews2022
Dev: TITANIUM ARMOR
Windows
Ladybugs and storm is open world exploration simulation, it is about ladybugs survival through the storm, the mission is explore the towers on tiny islands for some food, so the ladybugs will survive through the storm
Why similar: Underwater 66.5% ★, Open World 17.1%, Exploration 8.3%, Fantasy 4.1%, 3D 2.1%
- #19 Bahamut and the Waqwaq Tree
82% matchVery Positive99% of 91 reviews2025
Dev: Starvania StudioPub: Soft Source
Windows
Discover a once-thriving ocean, now tainted by enigmatic dark entities. Your quest: decipher the mystery and rekindle the ocean's radiant light.
Why similar: Underwater 51.2% ★, Mythology 20.4%, Fantasy 8.6%, Exploration 6%, Adventure 5.8%
- #20 Barren Depths
83% match7 user reviews57% of 7 reviews2022
Dev: Kyle Obranovic
Windows
Escape a confusing cave system without being eaten in this short, underwater horror game.
Why similar: Underwater 86.8% ★, 3D 4.3%, First-Person 4.1%, Adventure 3%, Indie 1.1%
- #21 Subnautica 2
82% matchNo user reviews2026
Dev: Unknown Worlds EntertainmentPub: KRAFTON, Inc.
Windows
Immerse yourself in a new adventure with Subnautica 2, an open-water survival game from the creators of the Subnautica series. Play alone or with friends as you explore alluring biomes and discover fascinating creatures. Craft vehicles, tools, and bases to survive this mysterious alien world.
Why similar: Underwater 68% ★, Open World 13.9%, Exploration 8.8%, Adventure 3.6%, First-Person 3.5%
- #22 Under the Water Depths
81% match8 user reviews56% of 9 reviews2023
Dev: Submerged Squad
Windows
Under the Water Depths is a first-person game in which you will dive into a trench in the middle of an unknown ocean. The depths of the sea hide sinister yet mystical secrets.
Why similar: Underwater 75.4% ★, Exploration 8.7%, Adventure 8%, First-Person 3.1%, 3D 2.3%
- #23 ABZU
80% matchVery Positive93% of 27,130 reviews2016
Dev: Giant SquidPub: 505 Games
Windows
Median: 2.6 hrsMean: 5.4 hrs≥1hr: 80%
From the art director of Journey®, ABZÛ is a beautiful underwater adventure that evokes the dream of diving. Immerse yourself in a vibrant hidden world bursting with color and life as you descend into the heart of the ocean. But beware as you swim deeper as dangers lurk in the depths.
Why similar: Underwater 73.2% ★, Exploration 9.2%, Open World 4.9%, Adventure 4.7%, Fantasy 4.1%
- #24 Dive
81% matchPositive100% of 11 reviews2018
Dev: Bala Vicknesh
Windows
Dive is a 2d pixel art platformer that takes place underwater. You cannot jump in this game, instead you use the ability to raise and lower pillars of water to gain vertical movement and solve puzzles.
Why similar: Underwater 78.9% ★, Adventure 17.7%, Indie 2.1%, Singleplayer 1.3%
- #25 Puffer Pop
79% match2 user reviews100% of 2 reviews2023
Dev: Mountain Peke Games
Windows
Puffer Pop is a short puzzle game about saving a pufferfish from the sharks that chase her. Eat bubbles, inflate, and turn the tides on those that would eat you, all while relaxing to calming sound of ocean waves.
Why similar: Underwater 87.9% ★, Puzzle 8.6%, Indie 2.8%, Singleplayer 0.7%
- #26 Offcoast
78% match2 user reviews100% of 2 reviews2024
Dev: Ice-Cold Shivering Studios
Windows
The rogue-like strategy game Offcoast takes place in a subterranean, underwater landscape.
Why similar: Underwater 96.9% ★, Indie 2.5%, Singleplayer 0.6%
- #27 Fantastic Fishing
79% matchMixed50% of 14 reviews2020
Dev: The Periodic Group
Windows
Explore a vast underwater world populated by a huge variety of fish and aquatic creatures. Catch them and sell them to upgrade your submarine and dive deeper. But what lurks at the bottom of sea?
Why similar: Underwater 56.6% ★, Adventure 16.4%, Open World 13.7%, Exploration 6.8%, Indie 5.6%
- #28 Sharks and Minnows
76% matchVery Positive93% of 332 reviews2025
Dev: CollinPub: Collin's Game Company
Windows
Find supplies to maintain your stamina. Complete ten laps. Escape.
Why similar: Underwater 78.6% ★, Exploration 15%, Indie 6.4%
- #29 Diving Bear
78% matchNo user reviews
Dev: VaragtP
Windows
Play as a bear diving underwater to explore the ocean’s depths. Collect shells, plants, treasures, and other valuable items from the underwater world. Use your finds to upgrade your gear, allowing you to dive deeper. The deeper you go, the more secrets and hidden places you can discover.
Why similar: Underwater 83.6% ★, Adventure 8.7%, Exploration 6.9%, Indie 0.9%
- #30 FIRE The First Dreamer
77% matchNo user reviews2026
Dev: SIC Games
Windows · Mac
Uncover ancient secrets, summon totemic magic, decode enigmatic messages, and explore the majestic Preseli mountains of Wales in this open world adventure inspired by a true story. Dare to embark on this journey and rediscover the lost secrets of a life lived with purpose and meaning!
Why similar: Underwater 37% ★, Open World 14.7%, Mythology 13.1%, Female Protagonist 12.7%, Exploration 7.6%
- #31 .
77% matchNo user reviews
Dev: StartUpGames
Windows
A co-op horror about searching the depths of the ocean for treasure.
Why similar: Underwater 66.4% ★, Open World 13.4%, Exploration 8.3%, First-Person 5.1%, 3D 3.4%
- #32 A Home Below
76% matchNo user reviews
Dev: Hermit House
Windows
For a hermit crab, it’s difficult to find a place you can call home. Explore a large, underwater house, searching for a real seashell. Meet creatures and discover long buried secrets in this third-person, atmospheric adventure.
Why similar: Underwater 72.4% ★, Exploration 10.8%, Third Person 5.4%, Adventure 5.3%, 3D 3%
- #33 Whale Singer: Rise of the Leviathan
75% matchNo user reviews
Dev: Telescope Game Studios
Windows
Play as a majestic humpback whale in a musical adventure where ancient songs hold the power to face an ominous threat destroying the oceans. Master ancestral melodies, explore stunning underwater realms, purify corrupted waters, and uncover the truth behind the Leviathan.
Why similar: Underwater 69.3% ★, Exploration 12.8%, Fantasy 5.9%, Adventure 5.5%, 3D 4.9%
- #34 Abyssal Rust
74% matchNo user reviews
Dev: Inmersionbit
Windows
Navigate an open-world ocean in a rusted submarine with monstrous creatures lurking in the depths. Collect artifacts, upgrade your submarine and descend into even deeper waters. If you didn’t fear the deep sea before, now you will.
Why similar: Underwater 69.1% ★, Open World 16.3%, Exploration 6.7%, Adventure 3.9%, First-Person 2.1%
- #35 Aquaria
75% matchVery Positive88% of 1,513 reviews2008
Dev: Bit Blot, LLC
Windows · Linux
Median: 30 minMean: 8.1 hrs≥1hr: 34%
Aquaria is an award-winning action-adventure game set in a massive underwater world teeming with life and filled with ancient secrets. Join Naija, a lone underwater adventurer, as she travels from hidden caves shrouded in darkness, to beautiful, sunlit oases in search of her past.
Why similar: Underwater 56.7% ★, Female Protagonist 18.7%, Exploration 9.2%, Adventure 4.9%, Fantasy 4.3%
- #36 Euphausia superba: The Antarctic Krill
73% matchNo user reviews2026
Dev: Ruru Owl Interactive
Windows · Mac
Swim, let yourself carried with ocean currents, and search for phytoplankton alongside krill, a small crustacean. Guide a krill on a fascinating journey to reach the ice floe in this relaxing, interactive wildlife documentary.
Why similar: Underwater 82.6% ★, Exploration 8.6%, Adventure 6.3%, Indie 1.9%, Singleplayer 0.6%
- #37 Deepophobia
73% matchNo user reviews
Dev: Hassan Saeed KarimPub: Said Karim (my dad lol)
Windows
Swim deeper and deeper into this underwater horror game. Explore open worlds, save your friends, escape monstrous creatures....What are you waiting for? the depths are beckoning you to go deeper!
Why similar: Underwater 67.8% ★, Open World 12.8%, Exploration 7.8%, First-Person 4.8%, 3D 3.1%
- #38 The Aquatic Adventure of the Last Human
74% matchMostly Positive75% of 494 reviews2016
Dev: YCJY Games
Windows · Mac · Linux
Median: 3.9 hrsMean: 4.7 hrs≥1hr: 89%
Explore the ruins of the human race and discover the thriving wildlife that blossomed after our extinction in this underwater action/adventure. Encounter monstrous creatures and let curiosity guide you through an inevitable voyage of extinction.
Why similar: Underwater 84.6% ★, Adventure 8.6%, Exploration 3.5%, Indie 2.8%, Singleplayer 0.5%
- #39 Abaddon's Veil
72% match1 user reviews100% of 1 reviews2024
Dev: Scott H.F. Dunbar
Windows
A short horror game where you pilot a tiny spaceship through turbulent "waters" surrounding a supermassive blackhole. Retrieve and scan sites of interest while managing your noise footprint.
Why similar: Underwater 83.1% ★, Adventure 6.6%, Exploration 4.2%, First-Person 3.8%, 3D 2.3%
- #40 CRUSH DEPTH
70% matchVery Positive98% of 54 reviews2025
Dev: Earth Giant
Windows
CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean. A salvage operation that would set you up for life goes sideways when you realize you're not alone down there. You'll solve puzzles and run from danger as you uncover the mysterious fate of Eclipse Station.
Why similar: Underwater 63.6% ★, Female Protagonist 13.8%, Exploration 7.6%, Puzzle 6.3%, First-Person 4.3%
- #41 Traíras
71% matchNo user reviews
Dev: Marcos RiffelPub: Riffel Games
Windows
For those who love exploring the underwater worlds in games, "Traíras" is the perfect adventure!
Why similar: Underwater 86.9% ★, Exploration 5.9%, Adventure 5.7%, Indie 1%, Singleplayer 0.5%
- #42 ScubaVenture: The Search for Pirate's Treasure
73% match2 user reviews100% of 2 reviews2021
Dev: SoftdiskPub: Ziggurat
Windows
Scour the wreckage of a pirate ship in this colorful 2D side scrolling underwater action adventure! Fight off all manner of sea creatures and rival divers with your harpoon gun and bombs as you gather treasure but beware of ghastly pirate ghosts seeking to reclaim what was once theirs!
Why similar: Underwater 84.4% ★, Exploration 8.5%, Adventure 6.5%, Singleplayer 0.6%
- #43 The Squirrel & Sea
70% matchPositive92% of 12 reviews2025
Dev: mite_j
Windows
An underwater journey to the squirrel's past memories
Why similar: Underwater 80.9% ★, Adventure 8.4%, Exploration 3.6%, Puzzle 3.3%, Indie 3%
- #44 Sinking Eternity
71% matchNo user reviews
Dev: ZeroByte
Windows
Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.
Why similar: Underwater 57.8% ★, Open World 11.5%, Female Protagonist 10.8%, Exploration 7.5%, Adventure 4.9%
- #45 Mythic Ocean: Prologue
71% matchVery Positive95% of 94 reviews2019
Dev: Paralune LLC
Windows
Get to know the gods! This preview will give you a first glimpse into the world of Mythic Ocean, a narrative exploration game where your choices shape the fate of the cosmos.
Why similar: Underwater 64% ★, Adventure 22.2%, Exploration 7.7%, Indie 6.1%
- #46 Atlantis: Pearls of the Deep
72% matchVery Positive86% of 79 reviews2016
Dev: Alder GamesPub: Legacy Games
Windows
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 95%
Save Atlantis in this unique physics-based Match-3 game!
Why similar: Underwater 71% ★, Female Protagonist 15.3%, Puzzle 8.9%, Indie 4.8%
- #47 Celler
69% matchNo user reviews
Dev: Murrent
Windows
Design your own single-celled organism and dive into a vast microscopic world. Eat, fight, and unlock upgrades to survive the dangerous microcosm.
Why similar: Underwater 67.9% ★, Open World 18.4%, Exploration 8.7%, Adventure 4.8%, Singleplayer 0.1%
- #48 KAI
69% matchNo user reviews2026
Dev: Dandelion
Windows · Linux
KAI is a game of Exploration and Adventure between the sidereal space and underwater depths. Skillfully lure and guide groups of fish to solve puzzles, access new areas and uncover the truth behind the mission entrusted to you, Akira, and the other crew members aboard the ship.
Why similar: Underwater 49.5% ★, Female Protagonist 13.4%, Open World 12.2%, Exploration 6.4%, Puzzle 6.4%
- #49 I Thalassa
69% matchNo user reviews
Dev: San Liuk
Windows
Immerse yourself in an alien ocean in this open-world survival game. Explore the biomechanical depths, tame alien creatures, pilot submarines, and uncover the mysteries of the alien entity known as Thalassa.
Why similar: Underwater 58.2% ★, Open World 14%, Female Protagonist 12%, Exploration 7.2%, Third Person 3.7%
- #50 Crabageddon
68% match1 user reviews100% of 1 reviews2025
Dev: Team Crabageddon
Windows · Linux
Defend your tower as a battle-hardened crab in a hostile underwater world! Collect powerful artifacts, grow stronger, and survive relentless waves of sea creatures
Why similar: Underwater 76.6% ★, Open World 19.2%, Indie 1.8%, 3D 1.7%, Singleplayer 0.6%
- #51 Sunken Seeker
67% match4 user reviews50% of 4 reviews2026
Dev: Reckonment Studio
Windows
Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.
Why similar: Underwater 72.9% ★, Exploration 10.6%, Adventure 6%, First-Person 5.4%, 3D 3.6%
- #52 SCP: Submerged
68% matchNo user reviews
Dev: Hindpaw InteractivePub: Hindpaw Publishing
Windows
Some secrets were meant to be drowned. SCP: Submerged is a linear psychological horror game following Dr. Bree as the struggle to survive takes a heavy toll. Leagues beneath the North Sea, who can you really trust when everyone is gasping for the same air?
Why similar: Underwater 47.9% ★, Female Protagonist 19.5%, Exploration 10.8%, Puzzle 8.4%, First-Person 5.5%
- #53 Virtual Arctic Expedition
70% match9 user reviews78% of 9 reviews2019
Dev: Green Hill Studio
Windows
Virtual Arctic Expedition is a virtual reality experience involving up to 8 people simultaneously (in a same Local Area Network). The users are immersed together in the same virtual environment. They find themselves in the Arctic seabed where everyone embodies a scuba diver.
Why similar: Underwater 79.1% ★, Adventure 10.6%, Exploration 10.4%
- #54 Loddlenaut
66% matchOverwhelmingly Positive98% of 5,507 reviews2023
Dev: Moon LagoonPub: Secret Mode
Windows · Mac
Median: 3.7 hrsMean: 6.0 hrs≥1hr: 89%
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!
Why similar: Underwater 69.3% ★, Open World 16%, Exploration 6.2%, Adventure 4.7%, 3D 3.1%
- #55 Immortals Fenyx Rising
66% matchMostly Positive73% of 4,479 reviews2022
Dev: Ubisoft
Windows
Median: 4.1 hrsMean: 20.1 hrs≥1hr: 75%
Immortals Fenyx Rising brings grand mythological adventure to life. Play as Fenyx on a quest to save the Greek gods.
Why similar: Mythology 28.4%, Open World 21.4%, Female Protagonist 12%, Puzzle 8.1%, Adventure 7.4%
- #56 Static Signal
67% matchNo user reviews
Dev: Fox Hill Studios
Windows
Static Signal is an open world 'action' horror game. Venture through your old office building and even reality as a malicious entity plans to reshape the world into a nightmare, but you can stop it before it's too late. Will you waste your time away, or will you save everyone from extinction?
Why similar: Underwater 54.9% ★, Open World 13.3%, Exploration 8.8%, Adventure 7%, Fantasy 6.3%
- #57 Moose Diver
65% matchPositive86% of 43 reviews2025
Dev: Lingon Studios
Windows
You’re a moose on a diving adventure. Swim into the ocean and vacuum coins from the seabed. Sell the coins and earn money to upgrade and buy new gear. Swim deeper and find treasure chests to collect power boosting artefacts, but don’t forget to keep an eye on your oxygen level.
Why similar: Underwater 67.3% ★, Open World 10.6%, Exploration 9.1%, Adventure 4.7%, Third Person 4.5%