Subnautica is an immersive open-world underwater game that allows you to explore the depths of an alien ocean planet. As you progress, you'll need to manage your oxygen levels, scavenge craft, and survive to make the most of the environment. You'll also come across coral reefs, deep-sea trenches, and even bio-luminescent underground rivers. It's a game that offers an unforgettable experience and plenty of surprises.

If you've enjoyed your time with Subnautica, then you're looking for more games similar in scope. Here are seven games that are great alternatives and offer their own unique experiences.

ABZU

Take a journey through the beautiful and mysterious depths of the sea in Abzu. With a focus on exploration and discovery, you'll come across inviting sea life, vibrant ocean environments, and hidden secrets.

Sunless Sea

This horror game set in a mysterious underground ocean offers a unique challenge and experience. As you sail the dark uncharted waters of the Unterzee, you'll meet strange creatures exploring abandoned ships and come across horrifying secrets.

Endless Ocean

Dive into the world of the Endless Ocean, where you can explore the depths of the ocean and discover countless mysteries. With a focus on exploration and relaxation, this game provides a more leisurely experience.

Below

It is an unforgiving rogue-like game set in a mysterious underworld of danger and discovery. You'll explore a forgotten island and its secrets with randomly generated levels.

Aquanox Deep Descent

Travel through the depths of a forgotten underwater utopia in Aquanox Deep Descent. With stunning visuals and a focus on intense action, this game offers an intense underwater experience.

Deep Rock Galactic

Descend into the depths of a hazardous alien planet and explore the alien caves in Deep Rock Galactic. With up to four-player cooperative play, you and your team will explore, mine, and fight your way through the alien-infested caverns.

Submerged

Set in a mysterious and beautiful drowned city, Submerged puts you in the role of a young girl who is trying to protect her injured brother. With a focus on exploration, you'll uncover the forgotten secrets and stories of the city.

Whether you’re exploring a mysterious sunken city, battling hostile sea monsters, or venturing through the universe in search of resources, these games each provide their own unique experiences.