Unknown Planet
Games like Unknown Planet

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like Unknown Planet

A compact alien-planet survival game with base building, farming, crafting, and combat, offering a roughly six-hour adventure.

Lost Nova
A cute, relaxing single-player alien-planet adventure about exploring, salvaging, crafting, trading, and upgrading your way home in roughly six hours.
2022-05-11
- Action
- Platform
- Adventure

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Games like Unknown Planet | IndieDex

Unknown Planet
Games like Unknown Planet

Find the Steam hidden gems

single-players with secrets you find without a guideor

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Games like Unknown Planet

A compact alien-planet survival game with base building, farming, crafting, and combat, offering a roughly six-hour adventure.

Lost Nova
A cute, relaxing single-player alien-planet adventure about exploring, salvaging, crafting, trading, and upgrading your way home in roughly six hours.
2022-05-11
- Action
- Platform
- Adventure

Bird view / Isometric

Indie

Simulator

Open world

Low Oxygen

A compact single-player puzzle adventure exploring an abandoned alien facility with moderately challenging plant-based puzzles.

2023-03-16

Adventure
Indie

The Planet Crafter: Prologue

A short, relaxing space survival prologue focused on terraforming a barren planet through base building and atmosphere management, with reviewers averaging 4-8 hours.

2021-12-19

Zombotron

A single-player indie action-shooter with tight gunplay and tense alien-planet survival, usually around 10 hours for reviewers.

2019-04-22

Shooter
Action
Science fiction
Adventure
Indie
Side view
Role-playing (RPG)

Ankora: Lost Days

A cute alien-planet survival-crafting game with terraforming and tool crafting, offering a short, chill adventure despite mixed reviews about its controls.

2022-09-16

Action
Adventure
Survival
Bird view / Isometric
Indie
Role-playing (RPG)

Craterbound

A free-to-play single-player alien survival craft game with voxel building, exploration, and combat, offering a cozy but unfinished experience.

2022-06-15

Action
First person
Science fiction
Adventure
Survival
Third person
Open world
Sandbox

Beyond Contact

A tense sci-fi survival crafting game on a hostile alien world with solo and co-op play; progression engages some, but late-game grind and camera controls split reviews.

2023-04-04

Action
Science fiction
Adventure
Survival
Bird view / Isometric
Indie
Open world

Utopia Colony

A chill, open-ended Mars mining sim about choosing a site and progressing at your own pace, with no combat and a roughly 10-hour single-player run.

2026-04-04

Adventure
Strategy
Third person
Indie
Simulator

Penkura

A single-player sci-fi base-building survival game blending top-down colony management with first-person alien exploration and programmable bot automation, currently in a modest early-access build with very positive reviews.

2018-12-19

Action
Adventure
Strategy
Indie
Simulator
Role-playing (RPG)

Kind Heart Survivors

A relaxed single-player space survival game focused on exploring, gathering, crafting, and cooking on an unknown planet, with a chill, approachable tone and a short playtime.

2025-11-18

Action
Adventure
Survival
Strategy
Bird view / Isometric
Indie
Side view

Alien Frontier

A single-player open-world third-person shooter roguelite where you mine resources and battle alien hordes on a deadly alien planet.

2025-10-23

Action
Adventure
Third person

Under A New Sun

A long-form open-world survival crafting game about surviving on an Earth-like planet with base building and technology research, playable solo or cooperatively, though resource gathering can get tedious.

2023-11-13

Adventure
Survival
Indie
Open world

Lost Nova