Best Space indie games under $20
These are the best space indie games you can buy for under $20. indielist lists 39 paid space games with a list price at or below $20, ranked by Steam review count so the most-validated picks lead. The average list price here is $15.99, and the cheapest is Natural Selection 2 at $4.99. The most reviewed is Starbound with 120,624 Steam reviews. Beyond the budget end, this wider list adds 32 mid-price picks between $10 and $20 that a stricter under-$10 list leaves out. Every price is the tracked Steam list price, not an estimate, and each game links to a white-box sales estimate you can open and audit rather than a black-box number. This is a value list: a sensible price crossed with real player validation, so you can find a space game that is actually good, not just affordable. Free-to-play titles are excluded here; this is about paid games that punch above their price.
Games
39
Avg list price
$15.99
Cheapest
$4.99
- S
Starbound
2016 · Action
$14.99 120,624 reviews · 90% positive
- D
Dyson Sphere Program
2021 · Indie
$19.99 83,095 reviews · 97% positive
- F
FTL: Faster Than Light
2012 · Indie
$9.99 62,406 reviews · 95% positive
- M
Mouthwashing
2024 · Adventure
$12.99 37,868 reviews · 95% positive
- V
Viscera Cleanup Detail
2015 · Indie
$12.99 17,976 reviews · 92% positive
- N
Nova Drift
2024 · Action
$17.99 12,907 reviews · 96% positive
- E
EVERSPACE™
2017 · Action
$19.99 9,780 reviews · 78% positive
- S
Spaceflight Simulator
2022 · Indie
$14.99 9,531 reviews · 97% positive
- P
Planetbase
2015 · Indie
$14.99 9,494 reviews · 80% positive
- N
Natural Selection 2
2012 · Action
$4.99 8,618 reviews · 85% positive
- C
Citizen Sleeper
2022 · Adventure
$19.99 8,116 reviews · 92% positive
- B
Beat Hazard
2010 · Action
$9.99 5,062 reviews · 95% positive
- T
To The Core
2023 · Adventure
$7.99 5,048 reviews · 93% positive
- H
Heavenly Bodies
2021 · Action
$19.99 4,449 reviews · 95% positive
- S
Samorost 3
2016 · Adventure
$19.99 4,335 reviews · 94% positive
- A
Angels Fall First
2026 · Action
$17.99 3,813 reviews · 82% positive
- J
Juno: New Origins
2023 · Indie
$19.99 3,511 reviews · 89% positive
- L
Lovers in a Dangerous Spacetime
2015 · Action
$14.99 3,356 reviews · 93% positive
- A
Astrometica
2024 · Adventure
$19.99 2,864 reviews · 83% positive
- S
Space Pirates And Zombies 2
2017 · Action
$19.99 2,732 reviews · 79% positive
- G
Gatekeeper
2025 · Action
$14.99 2,681 reviews · 84% positive
- S
SpaceChem
2011 · Indie
$9.99 2,617 reviews · 92% positive
- O
Ostranauts
2020 · Indie
$19.99 2,589 reviews · 81% positive
- A
Astro Colony
2026 · Action
$19.99 2,348 reviews · 81% positive
- M
Megaton Rainfall
2017 · Action
$15.99 2,273 reviews · 72% positive
- I
Ikaruga
2014 · Action
$9.99 2,180 reviews · 95% positive
- I
In Other Waters
2020 · Adventure
$14.99 2,069 reviews · 87% positive
- H
House of the Dying Sun
2016 · Action
$19.99 1,929 reviews · 90% positive
- T
The Last Starship
2026 · Indie
$19.99 1,643 reviews · 76% positive
- S
Skin Deep
2025 · Action
$19.99 1,638 reviews · 94% positive
- F
Fractal Block World
2021 · Action
$6.99 1,500 reviews · 98% positive
- B
Beat Hazard 2
2019 · Action
$18.99 1,396 reviews · 86% positive
- E
Ex-Zodiac
2022 · Action
$11.99 941 reviews · 94% positive
- S
Stories from Sol: The Gun-Dog
2025 · Adventure
$14.99 834 reviews · 91% positive
- S
Star Ruler 2
2015 · Indie
$19.99 662 reviews · 82% positive
- B
Beat Hazard 3
2024 · Action
$19.99 580 reviews · 83% positive
- S
Supplice
2023 · Action
$14.99 519 reviews · 87% positive
- S
Space Reign
2026 · Action
$19.99 440 reviews · 74% positive
- O
Out of Orbit
2023 · Action
$14.99 165 reviews · 80% positive
Frequently asked questions
- What are the best space indie games under $20?
- indielist lists 39 paid space indie games priced at or below $20, ranked by Steam reviews, led by Starbound (120,624 reviews). The cheapest is Natural Selection 2 at $4.99.
- How is this "under $20" list built?
- By a data filter, not opinion: a paid space game qualifies if its tracked Steam list price is at or below $20. The list is ranked by review count and updates as prices and the catalog change. Free-to-play games are excluded.