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Games like Outpost Zero | IndieDex

Outpost Zero
Games like Outpost Zero

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Games like Outpost Zero

A sci-fi outpost-building survival sim where players command AI minions on a lawless alien world in solo, co-op, or PvP play.

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

Outpost: Infinity Siege cover art

Outpost: Infinity Siege

A military sci-fi FPS/tower-defense/base-building hybrid where you command a mobile outpost solo or in co-op, with mixed reviews and stability concerns.

2024-03-26

Shooter
Action
First person
Science fiction
Strategy
Bird view / Isometric

CryoFall cover art

CryoFall

A sci-fi colony survival sim with base building, crafting, tech research, and both single-player and co-op/PvP multiplayer, described as casual and friendly but with online connectivity requirements.

2021-04-29

Action
Science fiction
Adventure
Survival
Strategy
Bird view / Isometric
Indie
Simulator
Role-playing (RPG)
Open world
Sandbox

Astro Colony cover art

Astro Colony

A space colony and factory automation sim with conveyor production, astronaut care, and online co-op, though reviews call it clunky and short.

2026-06-02

Action
First person
Adventure
Strategy
Indie
Simulator
Open world
Sandbox

Mercury Fallen cover art

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

Aven Colony cover art

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

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

Executive Assault 2 cover art

Executive Assault 2

An indie space RTS/FPS hybrid of asteroid base-building, fleet command, and fighter combat—unique in concept but rough and simple in execution.

2023-10-18

Shooter
Action
First person
Science fiction
Strategy
Bird view / Isometric
Indie
Real Time Strategy (RTS)

Keplerth cover art

Keplerth

A 2D sandbox survival RPG on a hostile alien planet, playable solo or in co-op, focused on building, farming, and exploration.

2022-05-23

Action
Science fiction
Adventure
Bird view / Isometric
Indie
Simulator
Role-playing (RPG)
Sandbox

Out of Ore cover art

Out of Ore

A mining company sim with resource extraction, heavy machinery operation, and infrastructure building, supporting co-op multiplayer and lasting dozens to hundreds of hours.

2022-10-31

First person
Adventure
Strategy
Third person
Simulator
4X (explore, expand, exploit, and exterminate)
Open world

Omega Crafter cover art

Omega Crafter

A cozy open-world survival-craft game about programming your sidekick to automate building and combat, with online co-op and roughly 22 hours logged among sampled reviewers.

2025-05-14

Action
Adventure
Survival
Third person
Indie
Simulator
Role-playing (RPG)
Open world

Farworld Pioneers cover art

Farworld Pioneers

An open-world sci-fi sandbox focused on colony management, crafting, and co-op or PvP play, with mixed reviews citing an unfinished but fun base.

2023-05-30

Shooter
Action
Science fiction
Platform
Adventure
Survival
Indie
Side view
Simulator
Open world