Best Undersea Exploration Game

172+ iOS apps & games curated and reviewed

4.6 avg rating
18 free apps & games
Updated June 2026

From beginner-friendly picks to power-user tools, our undersea exploration game list covers 172+ iPhone apps and games updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Undersea Exploration Game (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SubnauticaSubnautica$8.994.6★ (1.2K)NoNoSep 2026
2Survival Underwater Shark GameSurvival Underwater Shark GameFree4.4★ (7.6K)YesYesSep 2026
3Rise of Arks: Survival GameRise of Arks: Survival GameFree4.7★ (1.7K)NoYesAug 2026
4Octopus FeastOctopus FeastFree4.6★ (6.9K)NoYesSep 2026
5Space Bound: Planet gamesSpace Bound: Planet gamesFree4.3★ (486)YesYesSep 2026
6Treasure Diving: Lost AtlantisTreasure Diving: Lost AtlantisFree4.5★ (625)YesYesAug 2026
7Pixel Starships™Pixel Starships™Free4.7★ (35K)NoYesSep 2026
8DREDGEDREDGEFree was $9.994.3★ (1.1K)NoYesSep 2026

Top Picks for Undersea Exploration Game

Subnautica#1

Subnautica by Unknown Worlds

A survival open-world undersea
Editor's Choice
🎮 Games
4.6😊(1.2K ratings)
$8.99
#26in Games
Subnautica screenshot 1
Subnautica screenshot 2
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Subnautica screenshot 4
Subnautica screenshot 5
Subnautica screenshot 6

Explore a vast alien ocean planet, craft equipment, pilot submarines, and uncover mysteries to survive. This open-world adventure offers multiple game modes for different playstyles.

What We Love

  • 🚀 Flawless performance
  • 👍 Smooth UI and controls
  • 🎨 Stunning graphics and visuals
  • 🎮 Faithful mobile port of the original game
  • 🔋 Good battery life

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🗺️ Issues with map chunk loading and creature spawns
Survival Underwater Shark Game#2

Survival Underwater Shark Game by Miftah Nawazen

Real Shark Ocean Survival Game
Strong Contender
🎮 Games
4.4😞(7.6K ratings)
FreeAdsIn-App Purchases
Survival Underwater Shark Game screenshot 1
Survival Underwater Shark Game screenshot 2
Survival Underwater Shark Game screenshot 3
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Survival Underwater Shark Game screenshot 5
Survival Underwater Shark Game screenshot 6

Experience life as a shark in this ocean survival game. Hunt various sea creatures and unsuspecting humans to satisfy your hunger and complete thrilling missions in a deep-sea environment. Customize your shark and enjoy stunning animations.

What We Love

  • 🦈 Cool animals
  • 👍 Fun game

Room to Improve

  • 💸 Too many ads
  • 🔍 Ads make the game unplayable
  • 🐛 Laggy performance
4.7😐(1.7K ratings)
FreeIn-App Purchases
Rise of Arks: Survival Game screenshot 1
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Rise of Arks: Survival Game screenshot 3
Rise of Arks: Survival Game screenshot 4
Rise of Arks: Survival Game screenshot 5
Rise of Arks: Survival Game screenshot 6

Lead survivors in a post-apocalyptic sea world after a tsunami. Build shelters, train armies, explore mysterious islands, and battle monstrous creatures. Form alliances to overcome challenges and rebuild humanity's legacy.

What We Love

  • 👍 Fun and engaging gameplay
  • 🚀 Unique and refreshing take on city-building
  • 🎨 Excellent graphics and visuals
  • 🤝 Good community and developer support

Room to Improve

  • 🐛 Bugs and glitches, especially in early game
  • 🔒 Overly restrictive and linear progression
  • 💰 Potential pay-to-win elements
  • 🕰️ Repetitive and grindy gameplay

More Undersea Exploration Game apps to explore

FAQ about Undersea Exploration Game

What is the best undersea exploration game for iPhone?
Subnautica tops our undersea exploration game ranking as of June 2026, with a 4.6-star average from 1.2K App Store ratings, and it's priced at $8.99.
Yes — 18 of the top undersea exploration game we rank are free to download, including Survival Underwater Shark Game and Rise of Arks: Survival Game.
Subnautica has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 172+ undersea exploration game on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Subnautica offers Survival mode for the original challenge, Freedom mode without hunger, thirst, or oxygen pressures, and Creative mode for unrestricted exploration and building.
The provided data does not mention multiplayer functionality for Subnautica. It appears to be a single-player experience.