Unclaimed World
Games like Unclaimed World

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single-players with secrets you find without a guideor

Games like Unclaimed World

A slow-burn sci-fi colony sim about balancing resources, production, and colonist personalities to settle an alien world, with a roughly 15-hour playthrough.

Alien Horizon (Preview Alpha)
A realistic, long-form survival city builder set on an inhospitable alien planet.
2024-01-30

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Games like Unclaimed World | IndieDex

Unclaimed World
Games like Unclaimed World

Find the Steam hidden gems

single-players with secrets you find without a guideor

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Games like Unclaimed World

A slow-burn sci-fi colony sim about balancing resources, production, and colonist personalities to settle an alien world, with a roughly 15-hour playthrough.

Alien Horizon (Preview Alpha)
A realistic, long-form survival city builder set on an inhospitable alien planet.
2024-01-30

Farlanders: Prologue

A single-player strategy/sim colony-builder on Earth with terraforming puzzles, delivering a relaxed, methodical ~10-hour prologue.

2021-05-18

Stranded: Alien Dawn

A single-player planet survival sim focused on managing a marooned group through base building and strategic decisions, with a median reviewer playtime of about 34 hours.

2023-04-25

Science fiction
Survival
Strategy
Bird view / Isometric
Simulator

Outlanders

A cozy, beginner-friendly single-player town-building game where players guide charming villagers to survive and create in a simpler life, with an episodic structure and a median reviewer playtime of about 22 hours.

2023-03-07

Strategy
Bird view / Isometric
Indie
Simulator

Catizens

A cute, casual colony sim about raising and managing a settlement of quirky cats, with light exploration and building.

2024-11-14

Strategy
Bird view / Isometric
Indie
Simulator
Sandbox

Surviving Ceres

A survival strategy sim on Ceres with crafting, base building, alien defense, and terraforming, offering a satisfying but visually dated ~20-hour colony experience.

2025-05-02

First person
Strategy
Indie
Simulator
Role-playing (RPG)

Space Haven

A deep single-player spaceship colony sim with tile-by-tile construction, gas and crew management, and space exploration, typically lasting 20–50 hours.

2026-05-13

Science fiction
Strategy
Fantasy
Bird view / Isometric
Indie
Simulator
Role-playing (RPG)

Aven Colony

A single-player sci-fi city builder set on an alien planet, mixing resource management with environmental challenges, offering roughly 24 hours of content—though some players face stability issues.

2017-07-25

Science fiction
Survival
Strategy
Bird view / Isometric
Indie
Simulator
Sandbox

Scorchlands

A cozy but sometimes unintuitive strategic colony builder about resource management and logistics on a volcanic moon, with a relaxed pace and roughly 16 hours of play.

2024-07-25

Science fiction
Puzzle
Strategy
Fantasy
Bird view / Isometric
Indie
Simulator
Open world
Sandbox

Before We Leave

A cozy, non-violent single-player interplanetary city-builder about rebuilding civilization and dodging space whales at a relaxed pace.

2021-05-13

Science fiction
Strategy
Bird view / Isometric
Indie
Simulator
Sandbox

Mercury Fallen

A lengthy single-player sci-fi colony sim about rebuilding an alien underground base, with simple systems and mixed reviews citing rough edges.

2023-08-22

Science fiction
Survival
Strategy
Bird view / Isometric
Indie
Simulator

Terraformers

A turn-based Mars colony builder with roguelike meta-progression and a substantial single-player campaign.

2023-03-09

Science fiction
Strategy
Bird view / Isometric
Indie
Simulator
Turn-based strategy (TBS)
4X (explore, expand, exploit, and exterminate)
Sandbox

Alien Horizon (Preview Alpha)