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Best Underwater Games

Top 50 of 79 qualifying games — tagged Underwater (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-10-22. Under each game: what its Steam reviewers most often mention (+ praise, − complaint), with how many of about 100 most-helpful reviews raise it — from the review consensus on each game's page.

1 South Scrimshaw, Part One (2023) Sci-fi · Linear · Hand-drawn · Free 99.0%1,621 reviews 2 Loddlenaut (2023) Underwater · Relaxing · Open World · $19.99 + addictive cleanup loop 89+ adorable creatures and charming visuals 53− game too short for value 24 98.0%6,307 reviews 3 Subnautica (2018) Open World Survival Craft · Survival · Horror · $7.49 + rewarding underwater exploration and base-building 88+ beautiful alien biomes and creatures 22− unclear direction and early confusion 6 97.1%382,144 reviews 4 DAVE THE DIVER (2023) Pixel Graphics · Casual · Management · $19.99 + addictive diving-and-sushi gameplay loop 73+ humorous story and memorable characters 31− repetitive chores and clunky bosses 13 96.5%162,885 reviews 5 Swallow the Sea (2021) Action · Free to Play · Adventure · Free + Unsettling, distinctive visual styles 16+ Consuming and growing gameplay loop 12− Very short gameplay experiences 29 97.1%2,464 reviews 6 Insaniquarium Deluxe (2006) Casual · Classic · Underwater · $4.99 + simple engaging core gameplay loop 14+ excellent price point value ratio 7− excessive clicking causes hand strain 8 96.8%6,898 reviews 7 Feeding Frenzy 2 Deluxe (2006) Casual · Singleplayer · Arcade · $0.99 + simple fish-eating formula remains satisfying 26+ challenging later levels and bosses 8− late-game difficulty spikes 5 97.0%2,810 reviews 8 Northern Journey (2021) Atmospheric · FPS · Fantasy · $11.99 + Atmospheric Norwegian landscapes 56+ Exploration and combat variety 47− Tedious or poorly balanced combat 15 96.7%3,721 reviews 9 Tiny Aquarium: Social Fishkeeping (2025) Collectathon · Creature Collector · Idler · $7.49 + collecting, breeding, decorating 44+ social tanks and trading 16− basic or repetitive gameplay 11 95.8%3,801 reviews 10 Megaquarium (2018) Casual · Simulation · Building · $24.99 + Relaxing aquarium management 74+ Highly addictive replay value 20− Clunky aquarium mechanics 5 95.3%3,794 reviews 11 Cast n Chill (2025) Pixel Graphics · Relaxing · Fishing · $14.99 + Simple idle and manual fishing 28+ Beautiful pixel-art environments 23− Shallow or repetitive mechanics 7 94.9%8,888 reviews 12 Barotrauma (2023) Co-op · Multiplayer · Survival · $34.99 + chaotic submarine systems 80+ cooperative chaos with friends 34− steep underexplained learning curve 13 94.0%90,037 reviews 13 Cat Goes Fishing (2015) Fishing · Cats · Casual · $6.99 + fun and relaxing fishing gameplay 72+ challenging depth beyond casual appearance 5− fish interference and frustrating mechanics 12 94.2%16,565 reviews 14 BioShock (2007) FPS · Atmospheric · Story Rich · $19.99 + fun weapon-and-plasmid combat 37+ immersive twists and world-building 32− crashes and broken audio 15 94.0%32,281 reviews 15 SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated (2020) 3D Platformer · Adventure · Cult Classic · $29.99 + Fun and engaging platforming 66+ Vibrant visuals and colorful aesthetic 16− Various technical glitches and bugs 13 93.9%18,228 reviews 16 Raft (2022) Survival · Multiplayer · Open World Survival Craft · $19.99 + satisfying raft-building survival loop 77+ more fun with friends 43− harsh early balance and learning curve 15 93.0%378,974 reviews 17 ABZU (2016) Relaxing · Atmospheric · Underwater · $19.99 + breathtaking stylized underwater visuals 61+ relaxing underwater exploration 34− overly brief runtime 26 92.9%27,676 reviews 18 IronWolf VR (2022) Co-op · Submarine · Simulation · $19.99 94.1%1,184 reviews 19 Primordialis (2025) Early Access · Simulation · Physics · $19.99 + Creative build experimentation 39+ Hard but rewarding learning curve 11− Overpowered enemies and instant deaths 15 93.8%1,056 reviews 20 Another Crab's Treasure (2024) Souls-like · 3D Platformer · Funny · $29.99 + Satisfying combat and boss encounters 58+ Charming storytelling with clever humor 35− Janky platforming and terrain collision 12 92.5%21,988 reviews 21 FAR: Changing Tides (2022) Atmospheric · Action-Adventure · Post-apocalyptic · $19.99 + engaging puzzles and mechanics 44+ hand-painted aesthetic and atmosphere 31− tedious pacing and resource management 15 92.5%5,709 reviews 22 Chillquarium (2023) Creature Collector · Idler · Simulation · $5.99 + Chill, addictive collection loop 64+ Slow start, steady progression pace 12− Grindy, shallow game loop 11 92.0%8,423 reviews 23 PROXIMATE (2024) Horror · Atmospheric · LGBTQ+ · $5.99 + AI visor exploration 48+ flawed relatable characters 43− short horror experiences 14 93.0%1,007 reviews 24 Iron Lung (2022) Horror · Atmospheric · Psychological Horror · $7.99 + excellent atmospheric sound design 36+ engaging well-executed concept 36− oversimplified mechanical design 19 91.8%11,291 reviews 25 Octogeddon (2018) Action · Action Roguelike · Shoot 'Em Up · $8.88 92.6%1,361 reviews 26 Subnautica 2 (2026) Multiplayer · Survival · Horror · $29.99 + Exploration, building, and crafting 29+ Beautiful underwater environments 20− Limited combat and shallow systems 32 90.9%129,047 reviews 27 DrainSim (2026) Early Access · Simulation · Casual · $14.99 + Water diversion and physics 35+ Eight-to-seventeen-hour playthroughs 7− More levels and maps 20 91.4%2,757 reviews 28 DIVE or DIE - Children of Rain (2026) Underwater · Exploration · Lovecraftian · $17.99 + Satisfying exploration and management loop 49+ Atmospheric eldritch visual design 18− Insufficient depth and repeated mechanics 11 91.5%1,470 reviews 29 Subnautica: Below Zero (2021) Open World Survival Craft · Survival · Underwater · $7.49 + enjoyable exploration, building, and vehicles 42+ stunning biomes and underwater visuals 23− tedious exploration and awkward vehicles 24 90.0%108,517 reviews 30 Pronty (2021) Metroidvania · Underwater · Action · $17.99 90.8%1,323 reviews 31 Abyss: The Wraiths of Eden (2014) Hidden Object · Adventure · Casual · $14.99 90.2%1,545 reviews 32 BioShock 2 (2010) FPS · Action · Singleplayer · $19.99 + Smooth, satisfying dual-wielding combat 30+ Emotional father-daughter narrative 22− Frequent crashes on modern systems 23 88.7%15,010 reviews 33 Dreamcore (2025) Exploration · Walking Simulator · Psychological Horror · $14.99 + Immersive liminal exploration 58+ Atmospheric liminal environments 46− Confusing oversized mazes 18 89.2%2,019 reviews 34 Depth (2014) Shooter · Multiplayer · Underwater · $19.99 + fun asymmetric shark-versus-diver gameplay 75+ great private play with friends 9− small, veteran-dominated playerbase 33 88.0%32,949 reviews 35 Maneater (2021) Open World · Dark Humor · Nature · $39.99 + simple, addictive core loop 91+ engaging upgrades and evolution 13− frequent crashes and freezes 22 87.3%26,935 reviews 36 Silent Hunter III (2008) Naval Combat · Simulation · Submarine · $9.99 + Tactical submarine simulation depth 25+ Endless varied patrol experiences 6− Crashes and broken torpedo behavior 12 88.1%2,640 reviews 37 Beyond Blue (2020) Underwater · Adventure · Exploration · $19.99 88.4%1,521 reviews 38 Wolfpack (2019) Simulation · Naval Combat · World War II · $34.99 + Hands-on realistic submarine simulation 33+ Co-op multicrew submarine play 23− Slow or absent development updates 14 88.1%2,100 reviews 39 Murky Divers (2024) Multiplayer · Horror · Funny · $8.99 + unique mechanics, ship navigation excel 32+ cooperative fun with friends 23− repetitive, limited content variety 7 87.4%5,341 reviews 40 Aquaria (2008) Metroidvania · Indie · Exploration · $9.99 88.2%1,536 reviews 41 Scale the Depths (2026) Fishing · Casual · Pixel Graphics · $9.99 + Relaxing fishing and exploration 38+ Cute detailed pixel art 10− Repetitive fish preparation 11 87.8%2,286 reviews 42 In Other Waters (2020) Indie · Adventure · Exploration · $14.99 + Engaging alien-world narratives 45+ Exploration and scientific discovery 34− Tedious repetitive movement 21 86.7%2,577 reviews 43 We Need To Go Deeper (2019) Co-op · 2D · Lovecraftian · $15.99 + Fun, chaotic cooperative gameplay 26+ Best experienced with friends 21− Soft-locking bugs ruin runs 8 86.0%6,050 reviews 44 Abyssus (2025) FPS · Co-op · Rogue-like · $24.99 + Fast-paced combat and build variety 35+ Fun cooperative play with friends 20− Boring or predictable combat 12 85.4%5,844 reviews 45 Survival: Fountain of Youth (2024) Survival · Open World Survival Craft · Base-Building · $27.99 + satisfying survival crafting and building 65+ engaging mystery expedition narrative 15− clunky menus tedious systems 12 85.4%4,528 reviews 46 Voyagers of Nera (2025) Early Access · Exploration · Multiplayer · $29.99 + Enjoyable exploration and building 46+ Beautiful, cozy island environments 27− Tedious crafting and repetitive combat 20 85.2%2,664 reviews 47 Aquarium Designer (2021) Underwater · Relaxing · Family Friendly · $9.99 + Aquarium design and client contracts 28+ Beautiful graphics and natural fish animation 8− Limited, repetitive aquarium simulation 25 85.3%1,224 reviews 48 theBlu (2016) VR · Simulation · Adventure · Free + Detailed underwater visuals 37+ Limited but responsive interactions 7− Extremely short experiences 45 85.1%1,278 reviews 49 BioShock Remastered (2016) FPS · Story Rich · Atmospheric · $19.99 + engaging story and iconic twist 57+ creative plasmid-and-weapon combat 47− frequent crashes and corrupted saves 24 83.2%65,212 reviews 50 They Breathe (2014) Indie · Survival Horror · Survival · $1.99 84.1%1,306 reviews