Best Base-Building indie games under $20
These are the best base-building indie games you can buy for under $20. indielist lists 49 paid base-building 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 $17.25, and the cheapest is Widget Inc. at $4.99. The most reviewed is ARK: Survival Evolved with 583,081 Steam reviews. Beyond the budget end, this wider list adds 46 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 base-building 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
49
Avg list price
$17.25
Cheapest
$4.99
- A
ARK: Survival Evolved
2017 · Action
$14.99 583,081 reviews · 83% positive
- V
Valheim
2021 · Action
$19.99 455,972 reviews · 94% positive
- R
Raft
2022 · Adventure
$19.99 321,118 reviews · 93% positive
- S
Schedule I
2025 · Action
$19.99 282,319 reviews · 98% positive
- S
Scrap Mechanic
2016 · Action
$19.99 105,678 reviews · 92% positive
- T
This War of Mine
2014 · Adventure
$19.99 88,937 reviews · 94% positive
- D
Dyson Sphere Program
2021 · Indie
$19.99 83,095 reviews · 97% positive
- F
Forager
2019 · Action
$19.99 43,850 reviews · 90% positive
- G
Gas Station Simulator
2021 · Casual
$19.99 27,291 reviews · 88% positive
- H
Hydroneer
2020 · Adventure
$14.99 26,916 reviews · 86% positive
- F
Forts
2017 · Action
$14.99 25,120 reviews · 92% positive
- S
SurrounDead
2022 · Action
$11.99 23,635 reviews · 92% positive
- N
Necesse
2025 · Action
$14.99 23,379 reviews · 93% positive
- T
Thronefall
2024 · Action
$12.99 23,359 reviews · 96% positive
- T
Tribes of Midgard
2021 · Action
$19.99 23,196 reviews · 76% positive
- S
shapez
2020 · Casual
$9.99 14,069 reviews · 96% positive
- Z
ZERO Sievert
2024 · Action
$19.99 13,949 reviews · 85% positive
- M
Mist Survival
2018 · Action
$10.99 13,525 reviews · 76% positive
- D
DYSMANTLE
2021 · Action
$19.99 10,967 reviews · 91% positive
- P
Planetbase
2015 · Indie
$14.99 9,494 reviews · 80% positive
- T
The Tenants
2022 · Casual
$19.99 7,042 reviews · 79% positive
- B
Becastled
2025 · Indie
$19.99 5,579 reviews · 82% positive
- R
Rising World
2014 · Action
$14.99 5,252 reviews · 86% positive
- M
Mr. Prepper
2021 · Action
$19.99 4,748 reviews · 80% positive
- W
Warpips
2022 · Action
$16.99 4,289 reviews · 87% positive
- F
Factory Town
2021 · Indie
$19.99 4,131 reviews · 91% positive
- I
I Am Future: Cozy Apocalypse Survival
2024 · Indie
$19.99 3,966 reviews · 85% positive
- G
Gladiator Guild Manager
2024 · Indie
$14.99 3,772 reviews · 81% positive
- E
Emberward
2024 · Action
$19.99 3,691 reviews · 97% positive
- C
Cepheus Protocol
2020 · Action
$19.99 3,683 reviews · 76% positive
- J
Juno: New Origins
2023 · Indie
$19.99 3,511 reviews · 89% positive
- P
Plan B: Terraform
2025 · Indie
$15.99 3,465 reviews · 91% positive
- A
Astrometica
2024 · Adventure
$19.99 2,864 reviews · 83% positive
- N
Nordhold
2025 · Indie
$19.99 2,827 reviews · 87% positive
- M
Menace from the Deep
2024 · Adventure
$16.99 2,352 reviews · 84% positive
- A
Astro Colony
2026 · Action
$19.99 2,348 reviews · 81% positive
- B
Builder Simulator
2022 · Adventure
$19.99 2,182 reviews · 72% positive
- B
Beltmatic
2024 · Casual
$6.99 2,176 reviews · 94% positive
- I
IfSunSets
2024 · Action
$19.99 2,133 reviews · 75% positive
- W
Warlord: Britannia
2022 · Action
$19.99 1,873 reviews · 88% positive
- T
The Last Starship
2026 · Indie
$19.99 1,643 reviews · 76% positive
- M
Microcivilization
2026 · Indie
$17.99 1,421 reviews · 79% positive
- A
Ale Abbey - Monastery Brewery Tycoon
2025 · Casual
$14.99 1,267 reviews · 89% positive
- U
UnReal World
2016 · Indie
$14.50 1,230 reviews · 94% positive
- W
Widget Inc.
2024 · Casual
$4.99 751 reviews · 85% positive
- M
Mad Smartphone Tycoon
2024 · Casual
$11.99 537 reviews · 72% positive
- U
Urge
2021 · Action
$17.99 487 reviews · 90% positive
- C
Crab God
2024 · Adventure
$19.99 321 reviews · 83% positive
- O
Out of Orbit
2023 · Action
$14.99 165 reviews · 80% positive
Frequently asked questions
- What are the best base-building indie games under $20?
- indielist lists 49 paid base-building indie games priced at or below $20, ranked by Steam reviews, led by ARK: Survival Evolved (583,081 reviews). The cheapest is Widget Inc. at $4.99.
- How is this "under $20" list built?
- By a data filter, not opinion: a paid base-building 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.