Sinking Eternity: A mysterious underwater exploration game:
- Reach extreme underwater depths (2500m+ deep / 8200ft+ deep).
- Explore tons of unique underwater biomes, from crystalline caves to corrupted abyssal gardens.
- Encounter and outsmart sea creatures, from tiny predators to colossal leviathans.
- Craft equipment to increase air capacity, swim speed, backpack space, armor and more.
- Upgrade your shelter from a single campfire to a high-tech sci-fi refuge.
- Learn about the heroine's mysterious past that spans over 10,000+ years.
- Uncover mysteries and find why thousands of people are in cryosleep deep underwater.
This is only the beginning of your journey in Sinking Eternity!
Game Screenshots
A glimpse into the underwater world of Sinking Eternity.





An epic underwater adventure
Explore & Discover
Swim through bioluminescent reefs, forgotten facilities, and vast caverns shaped by time and tides.
Build Your Refuge
Craft upgrades, expand your shelter on a small island, and survive the unknown.
Uncover the Mystery
Piece together logs and ruins that echo across millennia to learn what happened here and why.