Best Moddable Games Under $5

The 15 highest-rated moddable games you can get for under $5, ranked by Steam reviews, with the cheapest key across 21 stores.

  1. #197% of 540,205 Steam reviews
    Garry's Mod game key cover art

    Garry's Mod

    $9.99 -49%
    $5.00
    green man gaming & 20 stores
    2004
    SandboxModdableMultiplayer
    Steam97%
    Achieve29
    Deckgold
  2. #296% of 170,281 Steam reviews
    Fallout: New Vegas game key cover art

    Fallout: New Vegas

    $9.99 -68%
    $3.15
    GameSeal & 36 stores
    2010
    Open WorldRPGPost-apocalyptic
    Steam96%
    Achieve75
    Deckgold
  3. #396% of 17,051 Steam reviews
    Car Mechanic Simulator 2021 game key cover art

    Car Mechanic Simulator 2021

    $24.99 -80%
    $4.87
    driffle & 24 stores
    2021
    SimulationAutomobile SimRealistic
    Steam96%
    Achieve46
    Deckplatinum
  4. #495% of 32,216 Steam reviews
    The Elder Scrolls IV: Oblivion game key cover art

    The Elder Scrolls IV: Oblivion

    $14.99 -68%
    $4.72
    driffle & 44 stores
    2006
    RPGOpen WorldFantasy
    Steam95%
    Deckgold
  5. #597% of 2,891 Steam reviews
    Rusted Warfare game key cover art

    Rusted Warfare

    $4.99
    steam
    2017
    RTSStrategyBase Building
    Steam97%
    Deckplatinum
  6. #698% of 344 Steam reviews
    Shotgun Cop Man game key cover art

    Shotgun Cop Man

    $9.99 -57%
    $4.29
    loaded & 10 stores
    2025
    ActionPrecision PlatformerShooter
    Steam98%
    Achieve21
    Deckplatinum
  7. #789% of 2,207 Steam reviews
    112 Operator game key cover art

    112 Operator

    $24.99 -92%
    $1.79
    difmark & 23 stores
    2020
    SimulationRealisticCasual
    Steam89%
    Achieve45
    Deckgold
  8. #892% of 264 Steam reviews
    Project Heartbeat game key cover art

    Project Heartbeat

    $9.99 -71%
    $2.86
    kinguin & 3 stores
    2020
    IndieEarly AccessRhythm
    Steam92%
    Achieve6
    Deckpending
  9. #983% of 4,684 Steam reviews
    Airport CEO game key cover art

    Airport CEO

    $24.99 -92%
    $1.88
    driffle & 17 stores
    2017
    Resource ManagementModdableManagement
    Steam83%
    Achieve35
    Deckgold
  10. #1092% of 50 Steam reviews
    Nightmare Puppeteer game key cover art

    Nightmare Puppeteer

    Historic Low $0.99
    steam
    2020
    Moddable3DCinematic
    Steam92%
    Achieve37
  11. #1189% of 71 Steam reviews
    EndCycle VS game key cover art

    EndCycle VS

    $4.99
    steam & 3 stores
    2022
    Character CustomizationDeckbuildingCard Battler
    Steam89%
    Achieve18
  12. #1279% of 1,900 Steam reviews
    Ashes of the Singularity: Escalation game key cover art

    Ashes of the Singularity: Escalation

    $29.99 -95%
    $1.35
    kinguin & 20 stores
    2016
    RTSBase BuildingReal Time Tactics
    Steam79%
    Achieve54
    Decksilver
  13. #1386% of 76 Steam reviews
    Linkito game key cover art

    Linkito

    $14.99 -95%
    $0.61
    kinguin & 6 stores
    2024
    ModdablePuzzleLogic
    Steam86%
    Achieve37
    Deckpending
  14. #1476% of 540 Steam reviews
    Kithack Model Club game key cover art

    Kithack Model Club

    $19.99 -94%
    $1.03
    GameSeal & 21 stores
    2024
    ModdableOpen WorldVehicular Combat
    Steam76%
    Decksilver
  15. #1579% of 90 Steam reviews
    Dance Collider game key cover art

    Dance Collider

    $4.99 -5%
    $4.73
    kinguin & 5 stores
    2019
    IndieVRRhythm
    Steam79%
    Achieve11
    Deckplatinum
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