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Games like Subnautica | IndieDex

Subnautica
Games like Subnautica

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single-players with secrets you find without a guideor

Games like Subnautica

An absorbing underwater survival adventure on an alien planet, blending exploration, crafting, and submarine piloting with a tense, wonder-filled atmosphere.

Beyond Blue
A compact ~4-hour underwater narrative adventure about exploring ocean depths and marine life as a female protagonist, with a chill yet emotional tone.
2020-06-11
- Action
- Adventure

Third person

Indie

Simulator

Kids

Subnautica: Below Zero cover art

Subnautica: Below Zero

A tense single-player underwater survival crafting adventure on a frozen alien planet, starring a black female protagonist investigating a cover-up, with a short main story that rewards extended exploration.

2021-05-13

First person
Science fiction
Adventure
Survival
Indie
Open world

Nauticrawl cover art

Nauticrawl

A tense single-player simulation about escaping a hostile planet in a stolen machine via lever-pulling and device-hacking puzzles, with low-commitment sessions and variable playtimes.

2019-09-16

Puzzle
Adventure
Strategy
Indie
Simulator

Life Below cover art

Life Below

A single-player underwater city-builder about restoring coral reefs through resource management and research, offering a relaxing yet occasionally tricky campaign of around 18 hours.

2026-05-26

Strategy
Fantasy
Simulator

Stranded Deep cover art

Stranded Deep

A Pacific plane-crash survival game focused on crafting, exploration, and co-op, with a lonely atmosphere and a moderate ~15-24 hour playtime among reviewers.

2022-08-10

Action
First person
Adventure
Horror
Survival
Indie
Simulator
Sandbox

Under The Waves cover art

Under The Waves

A melancholy, story-driven North Sea diving adventure about grief, isolation, and a life-changing choice, with exploration and a submarine, running about 9-11 hours.

2023-08-28

Action
Science fiction
Adventure
Third person
Indie

The Planet Crafter cover art

The Planet Crafter

A long-form solo or co-op survival crafting game about gradually terraforming a barren alien planet into a thriving ecosystem.

2024-04-10

First person
Science fiction
Adventure
Survival
Simulator
Open world
Sandbox

Barotrauma cover art

Barotrauma

Tense 2D co-op submarine survival sim on an alien ocean, with crew management, monster fights, and leak-fixing chaos — a long-haul multiplayer experience.

2023-03-13

Action
Science fiction
Adventure
Horror
Survival
Strategy
Indie
Side view
Simulator

Abiotic Factor cover art

Abiotic Factor

A survival crafting game set in an underground research facility, where players scavenge, build bases, and survive aliens and dimensional chaos solo or in co-op, in a long-form, highly praised sandbox.

2025-07-22

Shooter
Action
First person
Science fiction
Adventure
Survival
Indie
Simulator
Role-playing (RPG)
Sandbox

DAVE THE DIVER cover art

DAVE THE DIVER

A lengthy pixel-art adventure that mixes daytime spearfishing in a mysterious Blue Hole with quirky sushi restaurant management at night.

2023-06-28

Action
Adventure
Side view
Simulator
Role-playing (RPG)
Business

Breathedge cover art

Breathedge

A laid-back space survival-crafting adventure about scavenging a wrecked ship with an immortal chicken, balancing oxygen and crafting across a ~13-hour mystery.

2021-02-25

Action
First person
Science fiction
Adventure
Survival
Indie
Simulator
Role-playing (RPG)
Open world

Death in the Water 2 cover art

Death in the Water 2

A short, tense action-adventure diving game where you scavenge treasure and fight sea creatures under a mind-controlling kraken, lasting about three and a half hours.

2023-01-26

Shooter
Action
Adventure
Horror