What games are like Ostranauts?

indielist matches 12 indie games to Ostranauts by shared genre and Steam tags, led by Oxygen Not Included (142,787 reviews). The list is ranked by review count.

How are "games like Ostranauts" chosen?

By overlap of Steam tags and primary genre with Ostranauts, weighted by review count as a popularity signal. It is computed from tracked data, not hand-picked, and updates as the catalog grows.

Games like Ostranauts

Looking for games like Ostranauts? indielist surfaces 12 similar indie games by shared genre and Steam tags, ranked by review count. Ostranauts is a indie game from 2020; the closest matches share its tags and audience. The top match by reviews is Oxygen Not Included with 142,787 Steam reviews. Each game links to a white-box sales estimate you can audit. Matches are computed from tracked Steam data, not editorial opinion.

O

Oxygen Not Included

2019 · Indie

142,787 reviews · 97% positive

SurvivalSimulationSandbox

Same: shares Survival and Simulation. Different: leans more into colony sim.
K

Kerbal Space Program 2

2023 · Indie

27,818 reviews · 26% positive

SpaceSandboxExploration

Same: shares Space and Sandbox. Different: leans more into building.
S

Space Haven

2026 · Indie

10,128 reviews · 86% positive

SpaceSimulationSurvival

Same: shares Space and Simulation. Different: leans more into base-building.
S

Spaceflight Simulator

2022 · Indie

9,531 reviews · 97% positive

SandboxSpace SimSpace

Same: shares Sandbox and Space Sim. Different: leans more into 2d.
N

No Man's Sky

2016 · Action

310,268 reviews · 85% positive

Open WorldOpen World Survival CraftSpace

Same: shares Open World and Open World Survival Craft. Different: leans more into adventure.
K

Kerbal Space Program

2015 · Indie

118,802 reviews · 96% positive

SpaceSimulationSandbox

Same: shares Space and Simulation. Different: leans more into physics.
F

FTL: Faster Than Light

2012 · Indie

62,406 reviews · 95% positive

SpaceSci-fiDifficult

Same: shares Space and Sci-fi. Different: leans more into rogue-like.
B

Big Ambitions

2023 · Indie

12,736 reviews · 93% positive

Early AccessSimulationLife Sim

Same: shares Early Access and Simulation. Different: leans more into management.
D

Day of Dragons

2019 · Indie

6,236 reviews · 65% positive

Early AccessSurvivalSandbox

Same: shares Early Access and Survival. Different: leans more into dragons.
I

I Am Future: Cozy Apocalypse Survival

2024 · Indie

3,966 reviews · 85% positive

RPGSimulationSandbox

Same: shares RPG and Simulation. Different: leans more into casual.
B

Breathedge

2021 · Action

14,366 reviews · 82% positive

Open World Survival CraftSpaceSurvival

Same: shares Open World Survival Craft and Space. Different: leans more into singleplayer.
Q

Quasimorph

2023 · Action

5,537 reviews · 84% positive

Early AccessSimulationRPG

Same: shares Early Access and Simulation. Different: leans more into extraction shooter.

Frequently asked questions

What games are like Ostranauts?: indielist matches 12 indie games to Ostranauts by shared genre and Steam tags, led by Oxygen Not Included (142,787 reviews). The list is ranked by review count.
How are "games like Ostranauts" chosen?: By overlap of Steam tags and primary genre with Ostranauts, weighted by review count as a popularity signal. It is computed from tracked data, not hand-picked, and updates as the catalog grows.