Best Tower Defense Games Under $20
The 25 highest-rated tower defense games you can get for under $20, ranked by Steam reviews, with the cheapest key across 21 stores.
- #198% of 43,227 Steam reviews
- #297% of 230,601 Steam reviews
2018Bloons TD 6
$13.99 -3%$13.48GameSeal & 14 storesTower DefenseStrategyMultiplayerSteam97%Achieve156DeckplatinumView All Prices$13.99 -3%$13.48GameSeal & 14 stores - #396% of 11,043 Steam reviews
2024Thronefall
$12.99 -58%$5.40driffle & 17 storesTower DefenseStrategyCity BuilderSteam96%Achieve57DeckplatinumView All Prices$12.99 -58%$5.40driffle & 17 stores - #497% of 2,626 Steam reviews
2026Emberward
$19.99 -2%$19.49g2a & 5 storesTower DefenseFalling BlocksStrategySteam97%Achieve100DeckgoldView All Prices$19.99 -2%$19.49g2a & 5 stores - #596% of 4,729 Steam reviews
2014Kingdom Rush
$9.99 -25%$7.48Fanatical & 12 storesTower DefenseStrategySingleplayerSteam96%Achieve74DeckplatinumView All Prices$9.99 -25%$7.48Fanatical & 12 stores - #696% of 3,262 Steam reviews
- #796% of 3,636 Steam reviews
2011Orcs Must Die!
$9.99 -92%$0.74GameSeal & 30 storesTower DefenseActionStrategySteam96%Achieve27DeckplatinumView All Prices$9.99 -92%$0.74GameSeal & 30 stores - #896% of 3,425 Steam reviews
2008Defense Grid: The Awakening
$9.99 -67%$3.29loaded & 11 storesTower DefenseStrategySci-fiSteam96%Achieve87DeckgoldView All Prices$9.99 -67%$3.29loaded & 11 stores - #995% of 9,791 Steam reviews
2019Mindustry
$9.99 -23%$7.64gamivo & 17 storesAutomationBase BuildingTower DefenseSteam95%Achieve87DeckplatinumView All Prices$9.99 -23%$7.64gamivo & 17 stores - #1095% of 7,468 Steam reviews
2014Bloons TD 5
$9.99 -20%$7.98GameSeal & 5 storesTower DefenseStrategyCo-opSteam95%Achieve135DeckplatinumView All Prices$9.99 -20%$7.98GameSeal & 5 stores - #1197% of 1,478 Steam reviews
2024From Glory To Goo
$11.99 -73%$3.23g2a & 3 storesStrategyRTSTower DefenseSteam97%Achieve46DeckgoldView All Prices$11.99 -73%$3.23g2a & 3 stores - #1295% of 3,849 Steam reviews
2020Creeper World 4
$24.99 -30%$17.31driffle & 12 storesTower DefenseReal Time TacticsWargameSteam95%Achieve29DeckplatinumView All Prices$24.99 -30%$17.31driffle & 12 stores - #1395% of 2,623 Steam reviews
2015GemCraft - Chasing Shadows
$9.99 -95%$0.43kinguin & 16 storesTower DefenseStrategyIndieSteam95%Achieve419DeckgoldView All Prices$9.99 -95%$0.43kinguin & 16 stores - #1495% of 2,550 Steam reviews
2016Kingdom Rush Frontiers
$9.99 -25%$7.48Fanatical & 16 storesTower DefenseStrategy2DSteam95%Achieve87DeckplatinumView All Prices$9.99 -25%$7.48Fanatical & 16 stores - #1594% of 5,652 Steam reviews
2018Bad North
$14.99 -85%Historic Low $2.20difmark & 30 storesWargameVikingsReal Time TacticsSteam94%Achieve11DeckplatinumView All Prices$14.99 -85%Historic Low $2.20difmark & 30 stores - #1697% of 731 Steam reviews
2007Creeper World
$4.99 -36%$3.15difmark & 8 storesStrategyIndieSimulationSteam97%Achieve39DeckplatinumView All Prices$4.99 -36%$3.15difmark & 8 stores - #1795% of 1,892 Steam reviews
2012Defender's Quest: Valley of the Forgotten
$14.99 -63%$5.46driffle & 8 storesTower DefenseFemale ProtagonistTactical RPGSteam95%Achieve30DeckpendingView All Prices$14.99 -63%$5.46driffle & 8 stores - #1899% of 399 Steam reviews
- #1995% of 1,435 Steam reviews
- #2095% of 1,873 Steam reviews
2014Infested Planet
$14.99 -95%$0.65GameSeal & 16 storesStrategyTower DefenseActionSteam95%Achieve36DeckplatinumView All Prices$14.99 -95%$0.65GameSeal & 16 stores - #2193% of 8,775 Steam reviews
2010Dungeon Defenders
$14.99 -92%$1.15GameSeal & 19 storesMultiplayerOnline Co-OpTower DefenseSteam93%Achieve169DeckgoldView All Prices$14.99 -92%$1.15GameSeal & 19 stores - #2295% of 1,125 Steam reviews
2024Utopia Must Fall
$8.99 -81%Historic Low $1.66GameSeal & 4 storesArcadeCasualRogueliteSteam95%Achieve31DeckpendingView All Prices$8.99 -81%Historic Low $1.66GameSeal & 4 stores - #2394% of 1,704 Steam reviews
2018Kingdom Rush Origins
$14.99 -78%$3.28driffle & 16 storesTower DefenseStrategy2DSteam94%Achieve83DeckpendingView All Prices$14.99 -78%$3.28driffle & 16 stores - #2495% of 941 Steam reviews
- #2592% of 4,344 Steam reviews
2013Sanctum 2
$14.99 -90%$1.49kinguin & 17 storesTower DefenseFPSCo-opSteam92%Achieve50DeckplatinumView All Prices$14.99 -90%$1.49kinguin & 17 stores
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