Best Sandbox Games Under $20
The 25 highest-rated sandbox games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.
- #198% of 118,019 Steam reviews
2020Factorio
$35.00 -46%$18.76difmark & 19 storesAutomationBase BuildingResource ManagementSteam98%Achieve88DeckplatinumView All Prices$35.00 -46%$18.76difmark & 19 stores - #298% of 602,435 Steam reviews
2011Terraria
$9.99 -79%$2.09GameSeal & 23 storesOpen World Survival CraftSandboxSurvivalSteam98%Achieve137DeckgoldView All Prices$9.99 -79%$2.09GameSeal & 23 stores - #398% of 177,964 Steam reviews
- #498% of 84,632 Steam reviews
2021Totally Accurate Battle Simulator
$19.99 -80%$3.84driffle & 22 storesSandboxSimulationFunnySteam98%Achieve64DeckgoldView All Prices$19.99 -80%$3.84driffle & 22 stores - #597% of 540,205 Steam reviews
2004Garry's Mod
$9.99 -49%$5.00green man gaming & 20 storesSandboxModdableMultiplayerSteam97%Achieve29DeckgoldView All Prices$9.99 -49%$5.00green man gaming & 20 stores - #698% of 54,997 Steam reviews
2010Mount & Blade: Warband
$19.99 -79%$4.16driffle & 22 storesMedievalRPGOpen WorldSteam98%Achieve80DeckplatinumView All Prices$19.99 -79%$4.16driffle & 22 stores - #799% of 11,949 Steam reviews
2021Wobbledogs
$19.99 -93%$1.35GameSeal & 24 storesDogsWholesomeCuteSteam99%Achieve73DeckgoldView All Prices$19.99 -93%$1.35GameSeal & 24 stores - #897% of 19,715 Steam reviews
- #997% of 18,164 Steam reviews
2025Wobbly Life
$24.99 -68%$7.81driffle & 20 storesAdventureMultiplayerOpen WorldSteam97%Achieve68DeckplatinumView All Prices$24.99 -68%$7.81driffle & 20 stores - #1097% of 13,860 Steam reviews
2024Tiny Glade
$14.99 -3%$14.48gamivo & 7 storesBuildingRelaxingDesign & IllustrationSteam97%DeckplatinumView All Prices$14.99 -3%$14.48gamivo & 7 stores - #1196% of 84,235 Steam reviews
2015Kerbal Space Program
$39.99 -82%$6.99loaded & 40 storesSpaceSimulationSandboxSteam96%DeckplatinumView All Prices$39.99 -82%$6.99loaded & 40 stores - #1297% of 10,931 Steam reviews
2025Mon Bazou
$15.99 -73%$4.19driffle & 15 storesAutomobile SimDrivingSandboxSteam97%Achieve69DeckgoldView All Prices$15.99 -73%$4.19driffle & 15 stores - #1397% of 19,644 Steam reviews
2008Universe Sandbox
$29.99 -59%Historic Low $12.13driffle & 22 storesSimulationSandboxSpaceSteam97%DeckgoldView All Prices$29.99 -59%Historic Low $12.13driffle & 22 stores - #1498% of 5,733 Steam reviews
2022Goat Simulator 3
$29.99 -91%Historic Low $2.55difmark & 25 storesPhysicsSandboxExplorationSteam98%Achieve74DeckplatinumView All Prices$29.99 -91%Historic Low $2.55difmark & 25 stores - #1596% of 29,686 Steam reviews
2018WorldBox
$19.99 -21%$15.67difmark & 5 storesSandboxGod GameSimulationSteam96%Achieve54DeckplatinumView All Prices$19.99 -21%$15.67difmark & 5 stores - #1696% of 31,929 Steam reviews
2015Tabletop Simulator
$19.99 -97%$0.59k4g & 22 storesTabletopBoard GameSimulationSteam96%Achieve26DeckplatinumView All Prices$19.99 -97%$0.59k4g & 22 stores - #1796% of 24,199 Steam reviews
2026Timberborn
$34.99 -53%$16.19PlaySum & 22 storesCity BuilderColony SimVoxelSteam96%Achieve59DeckplatinumView All Prices$34.99 -53%$16.19PlaySum & 22 stores - #1897% of 6,159 Steam reviews
2023Ages of Conflict: World War Simulator
$6.99steamSandboxGod GameSimulationSteam97%Achieve11DeckplatinumView All Prices$6.99steam - #1995% of 40,267 Steam reviews
2017CarX Drift Racing Online
$16.99 -37%$10.64driffle & 21 storesSimulationMultiplayerRacingSteam95%Achieve36DeckplatinumView All Prices$16.99 -37%$10.64driffle & 21 stores - #2097% of 5,927 Steam reviews
- #2198% of 2,933 Steam reviews
2020Fireworks Mania
$14.99 -2%$14.67gamivo & 2 storesSandboxMultiplayerSingleplayerSteam98%Achieve25DeckgoldView All Prices$14.99 -2%$14.67gamivo & 2 stores - #2296% of 8,406 Steam reviews
2020Shapez
$9.99 -97%Historic Low $0.25kinguin & 24 storesAutomationBase BuildingResource ManagementSteam96%Achieve45DeckgoldView All Prices$9.99 -97%Historic Low $0.25kinguin & 24 stores - #2396% of 17,051 Steam reviews
2021Car Mechanic Simulator 2021
$24.99 -80%$4.87driffle & 24 storesSimulationAutomobile SimRealisticSteam96%Achieve46DeckplatinumView All Prices$24.99 -80%$4.87driffle & 24 stores - #2495% of 48,785 Steam reviews
2018Kenshi
$29.99 -76%$7.15driffle & 22 storesOpen WorldSandboxSurvivalSteam95%DeckgoldView All Prices$29.99 -76%$7.15driffle & 22 stores - #2596% of 6,540 Steam reviews
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