Best Base Building Games Under $5

The 25 highest-rated base building games you can get for under $5, 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 8,406 Steam reviews
    Shapez game key cover art

    Shapez

    $9.99 -97%
    Historic Low $0.25
    kinguin & 24 stores
    2020
    AutomationBase BuildingResource Management
    Steam96%
    Achieve45
    Deckgold
  3. #395% of 19,111 Steam reviews
    Against the Storm game key cover art

    Against the Storm

    $29.99 -89%
    $3.02
    driffle & 29 stores
    2023
    StrategySimulationCity Builder
    Steam95%
    Achieve80
    Deckplatinum
  4. #497% of 2,891 Steam reviews
    Rusted Warfare game key cover art

    Rusted Warfare

    $4.99
    steam
    2017
    RTSStrategyBase Building
    Steam97%
    Deckplatinum
  5. #595% of 10,835 Steam reviews
    Empires of the Undergrowth game key cover art

    Empires of the Undergrowth

    $29.99 -84%
    $4.76
    driffle & 22 stores
    2024
    StrategySimulationBase Building
    Steam95%
    Achieve186
    Deckplatinum
  6. #697% of 1,478 Steam reviews
    From Glory To Goo game key cover art

    From Glory To Goo

    $11.99 -73%
    $3.23
    g2a & 3 stores
    2024
    StrategyRTSTower Defense
    Steam97%
    Achieve46
    Deckgold
  7. #797% of 1,190 Steam reviews
    Impossible Creatures game key cover art

    Impossible Creatures

    $9.99 -92%
    $0.73
    kinguin & 13 stores
    2002
    StrategyRTSSingleplayer
    Steam97%
    Deckplatinum
  8. #893% of 8,892 Steam reviews
    Forts game key cover art

    Forts

    $14.99 -67%
    $4.93
    gamivo & 23 stores
    2017
    Base BuildingMultiplayerStrategy
    Steam93%
    Achieve68
    Deckgold
  9. #996% of 1,055 Steam reviews
    Patch Quest game key cover art

    Patch Quest

    $14.99 -96%
    $0.52
    GameSeal & 22 stores
    2023
    AdventureCreature CollectorRoguelite
    Steam96%
    Achieve27
    Deckgold
  10. #1094% of 2,369 Steam reviews
    Evil Genius game key cover art

    Evil Genius

    $9.99 -91%
    $0.82
    k4g & 17 stores
    2004
    Base BuildingStrategyVillain Protagonist
    Steam94%
    Deckplatinum
  11. #1192% of 4,965 Steam reviews
    Dungeons 3 game key cover art

    Dungeons 3

    $29.99 -97%
    $0.80
    gamivo & 35 stores
    2017
    StrategyVillain ProtagonistBase Building
    Steam92%
    Achieve60
    Deckplatinum
  12. #1294% of 1,398 Steam reviews
    Fortify game key cover art

    Fortify

    $2.99
    steam & 1 store
    2015
    IndieBuildingBase Building
    Steam94%
    Deckpending
  13. #1393% of 1,641 Steam reviews
    Outpath game key cover art

    Outpath

    $14.99 -91%
    Historic Low $1.22
    driffle & 22 stores
    2023
    AutomationBase BuildingCrafting
    Steam93%
    Achieve88
    Deckplatinum
  14. #1490% of 54,976 Steam reviews
    V Rising game key cover art

    V Rising

    $34.99 -87%
    Historic Low $4.48
    driffle & 29 stores
    2024
    SurvivalOpen WorldBase Building
    Steam90%
    Achieve49
    Deckgold
  15. #1591% of 9,500 Steam reviews
    The Riftbreaker game key cover art

    The Riftbreaker

    $29.99 -94%
    $1.68
    driffle & 31 stores
    2021
    Base BuildingOnline Co-OpMultiplayer
    Steam91%
    Achieve54
    Deckgold
  16. #1690% of 10,146 Steam reviews
    Kingdom Two Crowns game key cover art

    Kingdom Two Crowns

    $19.99 -92%
    $1.59
    k4g & 25 stores
    2018
    Tower DefenseMinimalistCity Builder
    Steam90%
    Achieve46
    Deckplatinum
  17. #1791% 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
  18. #1894% of 373 Steam reviews
    Majesty Gold HD game key cover art

    Majesty Gold HD

    $9.99 -77%
    Historic Low $2.21
    gamebilet & 14 stores
    2009
    StrategySimulationFantasy
    Steam94%
    Deckplatinum
  19. #1991% of 653 Steam reviews
    Startopia game key cover art

    Startopia

    $6.99 -80%
    $1.36
    kinguin & 10 stores
    2001
    SimulationManagementStrategy
    Steam91%
    Deckplatinum
  20. #2089% of 2,295 Steam reviews
    Cataclismo game key cover art

    Cataclismo

    $29.99 -94%
    $1.61
    k4g & 24 stores
    2025
    StrategySimulationCity Builder
    Steam89%
    Achieve43
    Deckplatinum
  21. #2190% of 1,129 Steam reviews
    Nova Lands game key cover art

    Nova Lands

    $19.99 -98%
    $0.31
    GameSeal & 27 stores
    2023
    AutomationBase BuildingSandbox
    Steam90%
    Achieve24
    Deckplatinum
  22. #2297% of 72 Steam reviews
    Islets Defense game key cover art

    Islets Defense

    $9.99 -92%
    $0.75
    driffle & 6 stores
    2025
    StrategyTower DefenseCity Builder
    Steam97%
    Achieve43
  23. #2388% of 1,695 Steam reviews
    Survivalist: Invisible Strain game key cover art

    Survivalist: Invisible Strain

    $11.99 -62%
    $4.48
    driffle & 15 stores
    2025
    Open World Survival CraftColony SimRPG
    Steam88%
    Achieve33
    Deckplatinum
  24. #2487% of 5,036 Steam reviews
    Supreme Commander 2 game key cover art

    Supreme Commander 2

    $12.99 -71%
    $3.67
    instant_gaming & 16 stores
    2010
    StrategyRTSSci-fi
    Steam87%
    Achieve47
    Deckgold
  25. #2589% of 882 Steam reviews
    Merchant of the Skies game key cover art

    Merchant of the Skies

    $14.99 -96%
    $0.52
    kinguin & 16 stores
    2019
    TradingBase BuildingManagement
    Steam89%
    Achieve12
    Deckplatinum
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