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Check out this fantastic list of free-to-play underwater games you can enjoy on Steam right now, updated on September 21st 2026. Looking for even more free titles? Explore the complete list of the best free to play underwater games on Steam.
More Games
1. Infinite Blue
Discover an immersive ocean Eco-Sim where you can be almost any animal under the sea! From a tiny seahorse to a massive blue whale, experience the endless circle of life in a massive world of reefs, shipwrecks, and hidden wonders. Infinite Blue is a simulation, underwater and rpg game. Released on June 06th 2025 has received 362 reviews of which 237 were positive and 125 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #1 spot among the most played underwater games.
6.3
237
125
1
players
2. South Scrimshaw, Part One
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary. South Scrimshaw, Part One is a sci-fi, linear and hand-drawn game. Released on June 09th 2023 has received 1,620 reviews of which 1,604 were positive and 16 were negative resulting in an impressive rating of 9.4 out of 10. The game currently holds the #2 spot among the most played underwater games.
9.4
1,604
16
More Underwater & Related Games
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