Best Colony Sim Games Under $20

The 25 highest-rated colony sim games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.

  1. #196% of 49,501 Steam reviews
    Oxygen Not Included game key cover art

    Oxygen Not Included

    $24.99 -95%
    $1.07
    eneba & 9 stores
    2019
    Colony SimBase BuildingSurvival
    Steam96%
    Achieve51
    Deckplatinum
  2. #296% of 29,686 Steam reviews
    WorldBox game key cover art

    WorldBox

    $19.99 -21%
    $15.67
    difmark & 5 stores
    2018
    SandboxGod GameSimulation
    Steam96%
    Achieve54
    Deckplatinum
  3. #397% of 6,249 Steam reviews
    Stronghold Crusader game key cover art

    Stronghold Crusader

    $9.99 -82%
    Historic Low $1.78
    driffle & 16 stores
    2002
    MilitaryCity BuilderReal Time Tactics
    Steam97%
    Deckgold
  4. #496% of 24,199 Steam reviews
    Timberborn game key cover art

    Timberborn

    $34.99 -53%
    $16.19
    PlaySum & 22 stores
    2026
    City BuilderColony SimVoxel
    Steam96%
    Achieve59
    Deckplatinum
  5. #594% of 19,646 Steam reviews
    Kingdoms and Castles game key cover art

    Kingdoms and Castles

    $19.99 -2%
    $19.57
    GameSeal & 7 stores
    2017
    City BuilderColony SimResource Management
    Steam94%
    Achieve12
    Deckplatinum
  6. #697% of 1,141 Steam reviews
    Zeus: Master of Olympus game key cover art

    Zeus: Master of Olympus

    $9.99
    steam
    2000
    City BuilderStrategyColony Sim
    Steam97%
    Deckgold
  7. #793% of 38,438 Steam reviews
    Spore game key cover art

    Spore

    $19.99 -2%
    $19.44
    gamivo & 8 stores
    2008
    God GameOpen WorldSandbox
    Steam93%
    Deckgold
  8. #895% of 2,961 Steam reviews
    Stronghold game key cover art

    Stronghold

    $5.99 -84%
    Historic Low $0.91
    driffle & 24 stores
    2001
    Real Time TacticsCity BuilderColony Sim
    Steam95%
    Deckplatinum
  9. #995% of 1,475 Steam reviews
    Reus 2 game key cover art

    Reus 2

    $24.99 -73%
    $6.51
    driffle & 29 stores
    2024
    God GamePuzzleColony Sim
    Steam95%
    Achieve177
    Deckplatinum
  10. #1098% of 378 Steam reviews
    The Final Earth 2 game key cover art

    The Final Earth 2

    $9.99 -54%
    $4.52
    kinguin & 3 stores
    2022
    Colony SimStrategySpace
    Steam98%
    Achieve27
    Deckgold
  11. #1194% of 1,736 Steam reviews
    Whiskerwood game key cover art

    Whiskerwood

    $29.99 -66%
    $10.05
    driffle & 21 stores
    2025
    StrategySimulationCity Builder
    Steam94%
    Achieve21
    Decksilver
  12. #1294% of 891 Steam reviews
    All Hail the Orb game key cover art

    All Hail the Orb

    $6.99 -61%
    $2.72
    eneba & 6 stores
    2026
    ExplorationIncrementalSimulation
    Steam94%
    Achieve46
  13. #1390% of 25,801 Steam reviews
    Banished game key cover art

    Banished

    $19.99 -72%
    $5.48
    driffle & 20 stores
    2014
    City BuilderColony SimStrategy
    Steam90%
    Achieve36
    Deckgold
  14. #1491% of 3,737 Steam reviews
    Stronghold: Crusader - Definitive Edition game key cover art

    Stronghold: Crusader - Definitive Edition

    $19.99 -40%
    $11.89
    driffle & 7 stores
    2025
    StrategyCity BuilderReal Time Tactics
    Steam91%
    Achieve41
    Deckplatinum
  15. #1591% of 2,418 Steam reviews
    Factory Town game key cover art

    Factory Town

    $19.99 -81%
    $3.77
    difmark & 14 stores
    2019
    AutomationBase BuildingResource Management
    Steam91%
    Achieve32
    Deckgold
  16. #1691% of 1,901 Steam reviews
    Plan B: Terraform game key cover art

    Plan B: Terraform

    $15.99
    steam & 4 stores
    2025
    AutomationResource ManagementTransportation
    Steam91%
    Achieve28
    Deckplatinum
  17. #1790% of 4,467 Steam reviews
    Kingdoms Reborn game key cover art

    Kingdoms Reborn

    $19.99 -4%
    $19.17
    g2a & 6 stores
    2020
    City BuilderColony SimMultiplayer
    Steam90%
    Achieve36
    Deckgold
  18. #1893% of 610 Steam reviews
    Deisim game key cover art

    Deisim

    $14.99 -81%
    $2.70
    kinguin & 3 stores
    2016
    SandboxGod GameSimulation
    Steam93%
    Achieve33
    Deckpending
  19. #1994% of 324 Steam reviews
    MicroTown game key cover art

    MicroTown

    $9.99
    steam
    2019
    City BuilderColony SimBase Building
    Steam94%
    Achieve7
    Deckpending
  20. #2089% of 8,676 Steam reviews
    Going Medieval game key cover art

    Going Medieval

    $29.99 -67%
    $9.81
    driffle & 27 stores
    2026
    Colony SimBase BuildingStrategy
    Steam89%
    Achieve94
    Deckplatinum
  21. #2190% of 2,173 Steam reviews
    Stronghold 2 game key cover art

    Stronghold 2

    $14.99 -81%
    $2.71
    driffle & 8 stores
    2005
    City BuilderReal Time TacticsMedieval
    Steam90%
    Achieve33
    Deckgold
  22. #2287% of 34,912 Steam reviews
    Prison Architect game key cover art

    Prison Architect

    $29.99 -82%
    $5.23
    difmark & 28 stores
    2015
    SimulationBuildingSandbox
    Steam87%
    Achieve18
    Deckgold
  23. #2390% of 917 Steam reviews
    Fill Up the Hole game key cover art

    Fill Up the Hole

    $2.99 -67%
    $0.98
    difmark & 5 stores
    2025
    IncrementalIdlerCity Builder
    Steam90%
    Achieve39
    Deckpending
  24. #2488% of 5,109 Steam reviews
    Rise to Ruins game key cover art

    Rise to Ruins

    $14.99
    steam & 4 stores
    2014
    Tower DefenseColony SimCity Builder
    Steam88%
    Achieve113
    Deckgold
  25. #2590% of 665 Steam reviews
    Unholy Heights game key cover art

    Unholy Heights

    $3.99 -74%
    $1.02
    GameSeal & 11 stores
    2013
    BuildingColony SimStrategy
    Steam90%
    Achieve20
    Deckgold
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