Best Space Sim Games Under $20
The 25 highest-rated space sim games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.
- #197% 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 - #297% of 5,927 Steam reviews
- #397% of 235 Steam reviews
2024Cozy Space Survivors
$2.99 -73%$0.79kinguin & 5 storesAction RoguelikeExplorationTop-Down ShooterSteam97%Achieve36DeckpendingView All Prices$2.99 -73%$0.79kinguin & 5 stores - #489% of 8,000 Steam reviews
2017Avorion
$24.99 -64%$8.80driffle & 18 storesSandboxExplorationSpace SimSteam89%Achieve68DeckplatinumView All Prices$24.99 -64%$8.80driffle & 18 stores - #590% of 3,739 Steam reviews
2021Pulsar: Lost Colony
$19.99 -45%$10.90driffle & 13 storesSpace SimOpen WorldCo-opSteam90%Achieve41DeckplatinumView All Prices$19.99 -45%$10.90driffle & 13 stores - #692% of 726 Steam reviews
2023BattleGroupVR
$24.99 -97%Historic Low $0.59kinguin & 7 storesSpace SimSpaceVRSteam92%DeckgoldView All Prices$24.99 -97%Historic Low $0.59kinguin & 7 stores - #797% of 122 Steam reviews
2025Deep Space Exploitation
$8.99 -72%$2.44kinguin & 2 storesPhysicsDestructionMiningSteam97%Achieve21DeckpendingView All Prices$8.99 -72%$2.44kinguin & 2 stores - #890% of 1,752 Steam reviews
- #988% of 5,108 Steam reviews
2024Void Crew
$24.99 -45%$13.63driffle & 20 storesCo-opSpace SimMultiplayerSteam88%Achieve34DeckplatinumView All Prices$24.99 -45%$13.63driffle & 20 stores - #1089% of 2,048 Steam reviews
2019Juno: New Origins
$19.99 -97%$0.41GameSeal & 12 storesBuildingScienceSpace SimSteam89%Achieve99DeckgoldView All Prices$19.99 -97%$0.41GameSeal & 12 stores - #1194% of 125 Steam reviews
- #1297% of 58 Steam reviews
- #1392% of 89 Steam reviews
- #1488% of 189 Steam reviews
2000Tachyon: The Fringe
$9.99 -88%$1.15kinguin & 15 storesSimulationSpace SimSpaceSteam88%DeckplatinumView All Prices$9.99 -88%$1.15kinguin & 15 stores - #1589% of 138 Steam reviews
- #1692% of 71 Steam reviews
- #1789% of 123 Steam reviews
- #1884% of 1,053 Steam reviews
- #1987% of 186 Steam reviews
- #2082% of 1,586 Steam reviews
2024Astrometica
$19.99 -56%$8.66difmark & 25 storesSpace SimSurvivalOpen WorldSteam82%Achieve19DeckplatinumView All Prices$19.99 -56%$8.66difmark & 25 stores - #2185% of 244 Steam reviews
2025Digger: Galactic Treasures
$4.99 -18%$4.06kinguin & 2 storesSpace SimVoxelAdventureSteam85%Achieve19DeckpendingView All Prices$4.99 -18%$4.06kinguin & 2 stores - #2284% of 287 Steam reviews
1999Star Wars: X-Wing Alliance
$9.99 -52%$4.70driffle & 13 storesActionSpace SimSpaceSteam84%DeckgoldView All Prices$9.99 -52%$4.70driffle & 13 stores - #2379% of 13,953 Steam reviews
2018X4: Foundations
$49.99 -90%$4.54difmark & 27 storesSpaceSimulationOpen WorldSteam79%Achieve172DeckgoldView All Prices$49.99 -90%$4.54difmark & 27 stores - #2484% of 201 Steam reviews
2015SimpleRockets
$7.99 -92%$0.62k4g & 8 storesSimulationSandboxPhysicsSteam84%DecksilverView All Prices$7.99 -92%$0.62k4g & 8 stores - #2584% of 201 Steam reviews
2015Simple Rockets
$7.99 -75%$1.92kinguin & 2 storesSimulationSandboxPhysicsSteam84%DeckgoldView All Prices$7.99 -75%$1.92kinguin & 2 stores
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