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.
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Coming soon
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General / Cinematic | Sinking Eternity Trailer
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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“This project has been a huge labor of love, and while I’ve done my best to test and polish everything, as a solo developper, I would like your feedback to improve the game in Early Access.”

Approximately how long will this game be in Early Access?

“I plan for the game to be in early access for 6-12 months and intend to keep updating it with free new content even after the official release.”

How is the full version planned to differ from the Early Access version?

“I plan for the full version to add underwater vehicles, water currents, sea creatures with ranged attacks, extreme-depth explorable biomes, quests to find rare creatures, high-tech diving equipment, and expand the story to reveal more about the origin of the main character. I also intend to increase the overall visual polish, performance, and balance of the game.”

What is the current state of the Early Access version?

“The current Early Access version of Sinking Eternity offers several hours of gameplay. Players can explore large portions of the world, complete quests, upgrade equipment, and discover deep, atmospheric biomes filled with danger and mystery.

While there is no official ending yet, the game includes a rich progression path and many key systems like crafting, underwater exploration, controller support, and story building elements.”

Will the game be priced differently during and after Early Access?

“Yes, the game price will increase if it leaves Early Access.
Sinking Eternity will launch at a lower price during Early Access to thank early supporters and reflect the evolving nature of the game. I plan to gradually raise the price as I add new content and features.”

How are you planning on involving the Community in your development process?

“I plan to involve the community closely in the development of Sinking Eternity.
Please share your ideas, feedback, and bug reports through the Steam forums, Reddit, or Discord. I’ll try to read everything and making adjustments based on what feels right for the game and the players. I plan to shape features and improvements based on your feedback, this is a journey we’re taking together!”
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About This Game

Descend into a breathtaking alien ocean and uncover secrets lost for over 11,000 years.

In Sinking Eternity, you awaken from cryosleep alone on a small island with no memory, only the distant echoes of an ancient mystery waiting beneath the waves. Armed with a basic diving suit and the guidance of your wrist-mounted AI, you must explore a vast, dangerous, and beautiful underwater world to survive.. and to discover the truth.

Explore the Unknown

Dive into sprawling biomes teeming with life, from vibrant coral forests and volcanic trenches to the haunting ruins of a forgotten civilization. Each location holds resources, dangers, and clues to an ancient story that connects you to this world.

Survive Beneath the Waves

  • Gather food, water, and crafting materials to endure the deep.

  • Upgrade your diving gear to withstand crushing depths of down to 3,000 meters in early access.

  • Manage oxygen, pressure, and the ever-present threat of hostile creatures.

Build Your Ocean Refuge

Construct and expand your shelter on a small island. Craft tools, upgrade stations, and even invite friendly creatures to share your space. Your base is more than safety, it’s your lifeline.

Uncover an Ancient Mystery

Discover survivor logs, investigate strange artifacts, and unlock the hidden history of a long-vanished expedition. Every clue brings you closer to the truth, and deeper into danger.

Key Features

  • Vast single player world with handcrafted, vibrant environments.

  • Immersive first-person exploration with survival and RPG progression.

  • Varied biomes, from serene shallows to abyssal trenches.

  • Engaging main storyline with optional side quests.

  • Unique blend of peaceful exploration and tense encounters.

The deeper you go, the stranger, and more dangerous the world becomes.

Will you survive long enough to uncover the truth hidden in the Sinking Eternity?

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI has been used to generate/improve some of the game icons and textures, proofread/improve some in-game text, generate voice overs and help with concept art.

Mature Content Description

The developers describe the content like this:

Eternal Depths contains tense encounters with hostile sea creatures and many frightening underwater sequences. Players may come across human skeletons and written logs referencing past attacks by aquatic threats. There is no blood, gore, or explicit violence, and no depictions of sexual content, self-harm, drug use, or other mature themes.

System Requirements

    Minimum:
    • OS: Windows® 10 64-bit (latest Service Pack)
    • Processor: Intel Core i7-6800K or AMD Ryzen 5 2600X
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 or AMD Radeon RX 580
    • DirectX: Version 12
    • Storage: 5 GB available space
    • Additional Notes: SSD strongly recommended
    Recommended:
    • OS: Windows® 10/11 64-bit (latest Service Pack)
    • Processor: Intel Core i7-12700H or AMD Ryzen 7 5800X
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce RTX 3060 or AMD Radeon RX 6700 XT
    • DirectX: Version 12
    • Storage: 5 GB available space
    • Additional Notes: SSD
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