Gratuitous Space Battles

31 RTS games like Gratuitous Space Battles that you should try

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We filtered the 50 games similar to Gratuitous Space Battles down to the 31 that fit the “RTS” category. Stronghold Crusader, Stronghold HD (2012) and Stronghold top the list, ranked by affinity and similarity score to Gratuitous Space Battles.

iRank63/ 100

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GenreStrategySubgenreTower Defense

Tags

HardcoreSoloMultiplayer

Year 2009Dev Positech Games

Stores

Quick answer

Within the “RTS” category, the closest game to Gratuitous Space Battles is Stronghold Crusader — scoring 90/100 on our similarity scale. Stronghold HD (2012) and Stronghold follow close behind.

#1Stronghold Crusader90 #2Stronghold HD (2012)82 #3Stronghold82 #4Stronghold Legends: Steam Edition78 #5Castle Story75

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The best rTS games like Gratuitous Space Battles

31 similar games foundUpdated July 2026

Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Gratuitous Space Battles. Each one has been evaluated across 16 real attributes — from combat style and progression mechanics to world structure and visual perspective — so every recommendation is based on how the game actually plays, not just its genre label.

#1Stronghold Crusader

90

Stronghold Crusader

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalMeleeSandbox WorldIsometric2D

Steam👍 98%· 21KIGDB80· 1

Year 2002Dev Firefly Studios · Take-Two InteractiveOn PC

✓ Both are tower defense games — sharing deep simulation, sandbox freedom and real-time strategy

≠ Its own twist: ranged combat, historical setting and setting medieval, while skipping turn-based strategy

#2Stronghold HD (2012)

82

Stronghold HD (2012)

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalSandbox WorldIsometric2D

Steam👍 96%· 10KRAWG👍 82%· 310MC81

Year 2012Dev FireFly StudiosPlaytime ~3hOn PC · Apple Macintosh

✓ Same family of tower defense games: deep simulation, real-time strategy and sandbox freedom

≠ Stands apart with strong narrative focus, open world exploration and setting medieval, while skipping turn-based strategy

82

Stronghold

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalMeleeSandbox WorldIsometric2D

Steam👍 96%· 10K

Year 2001Dev Firefly Studios · Take-Two InteractiveOn PC · Mac

✓ Both are tower defense games — sharing deep simulation, real-time strategy and sandbox freedom

≠ Its own twist: strong narrative focus, open world exploration and ranged combat, while skipping turn-based strategy

#4Stronghold Legends: Steam Edition

78

Stronghold Legends: Steam Edition

GenreStrategySubgenreTower Defense

MultiplayerSandbox WorldIsometric2DNarrative

Steam👍 86%· 10KRAWG👍 79%· 23

Year 2023Dev FireFly StudiosPlaytime ~4hOn PC

✓ Both are tower defense games — sharing deep simulation, sandbox freedom and real-time strategy

≠ Stands apart with strong narrative focus, open world exploration and setting medieval, while skipping turn-based strategy

75

Castle Story

GenreStrategySubgenreTower Defense

SoloMultiplayerSandbox WorldIsometricCo-op

Steam👍 65%· 11KRAWG👍 59%· 27

Year 2012Dev Sauropod StudioPlaytime ~3hOn PC · iOS · Android

✓ Both are tower defense games — sharing deep simulation, sandbox freedom and real-time strategy

≠ Stands apart with survival mechanics, adventure storytelling and open world exploration, while skipping turn-based strategy

#6AI War: Fleet Command

69

AI War: Fleet Command

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalMeleeHardcoreSci-FiSpaceIsometric

Steam👍 82%· 1.6KRAWG👍 26%· 50MC80IGDB90· 1

Year 2009Dev Arcen GamesPlaytime ~3hOn PC · Apple Macintosh · Linux

✓ Same family of tower defense games: real-time strategy, deep simulation and turn-based strategy

≠ Where it differs: brings open world exploration, co op and exploration and discovery, while skipping sandbox freedom

#7Unholy Heights

59

Unholy Heights

GenreStrategySubgenreTower Defense

Solo2DCozyCasualNarrative

Steam👍 89%· 1.6KRAWG👍 30%· 20IGDB80· 1OC66· 10

Year 2013Dev Teyon · AGM PLAYISMPlaytime ~3hOn PC · PS · Nintendo

✓ Fits the tower defense games cluster, with deep simulation, real-time strategy and tower defense planning

≠ Stands apart with puzzle design, cozy, relaxing feel and vibe casual, while skipping sandbox freedom

58

Bad North

GenreStrategySubgenreTower Defense

SoloTacticalMeleeIsometricCozy

Steam👍 93%· 14KIGDB67· 2OC71· 29

Year 2018Dev Plausible Concept · Raw FuryOn PS4 · PC · Mac

✓ Same family of tower defense games: turn-based strategy, deep simulation and real-time strategy

≠ Its own twist: puzzle design, adventure storytelling and survival mechanics, while skipping sandbox freedom

#9Command & Conquer 3: Tiberium Wars

87

Command & Conquer 3: Tiberium Wars

GenreStrategySubgenreTower Defense

SoloMultiplayerMeleeTacticalSci-FiIsometric

Steam👍 90%· 9.2KRAWG👍 83%· 225MC85IGDB85· 4

Year 2007Dev Electronic Arts Los Angeles · Electronic ArtsPlaytime ~3hOn PC · Xbox

✓ Same family of tower defense games: real-time strategy, deep simulation and tower defense planning

≠ Its own twist: strong narrative focus, post-apocalyptic world and historical setting, while skipping turn-based strategy

#10Defense Grid: The Awakening

84

Defense Grid: The Awakening

GenreStrategySubgenreTower Defense

SoloTacticalSci-FiIsometric

Steam👍 96%· 5.3KRAWG👍 59%· 106MC81IGDB86· 2

Year 2008Dev Hidden Path EntertainmentPlaytime ~4hOn PC · Xbox · Apple Macintosh

✓ Nearly identical: tower defense planning, deep simulation and real-time strategy.

≠ Missing: turn-based strategy.

#11iBomber Defense Pacific

81

iBomber Defense Pacific

GenreStrategySubgenreTower Defense

SoloTacticalMeleeHardcore2DTop-Down

Steam👍 83%· 593RAWG👍 19%· 42

Year 2012Dev Cobra MobilePlaytime ~1hOn PC · iOS · Apple Macintosh

✓ Both are tower defense games — sharing tower defense planning, real-time strategy and turn-based strategy

≠ Stands apart with vibe casual and historical setting, while skipping deep simulation

#12Atom Zombie Smasher

76

Atom Zombie Smasher

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalMeleeSandbox WorldTop-DownIsometric

Steam👍 90%· 2.1KRAWG👍 36%· 101MC75

Year 2011Dev Blendo GamesPlaytime ~1hOn PC · Apple Macintosh · Linux

✓ Both are tower defense games — sharing tower defense planning, sandbox freedom and real-time strategy

≠ Where it differs: brings dark, oppressive atmosphere, vibe casual and procedural generation, while skipping deep simulation

#13Plants vs. Zombies

75

Plants vs. Zombies

GenreStrategySubgenreTower Defense

SoloTactical2DDarkCasual

Steam👍 98%· 152KRAWG👍 93%· 733MC87IGDB80· 1

Year 2010Dev PopCap Games · Electronic ArtsPlaytime ~5hOn PC · PS · Xbox

✓ Fits the tower defense games cluster, with tower defense planning, deep simulation and real-time strategy

≠ Stands apart with puzzle design, survival mechanics and dark, oppressive atmosphere, while skipping turn-based strategy

94

StarCraft

GenreStrategySubgenreTower Defense

SoloMultiplayerTacticalMeleeSci-FiIsometric

Year 1998Dev Blizzard EntertainmentOn PC · Mac

✓ Fits the tower defense games cluster, with real-time strategy, tower defense planning and combat tactical

≠ Stands apart with loot and gear systems and skill tree progression, while skipping deep simulation

93

Oil Rush

GenreStrategySubgenreTower Defense

SoloMultiplayerSci-FiIsometricPost-Apocalyptic

Steam👍 58%· 535RAWG👍 13%· 54MC67IGDB50· 2

Year 2012Dev UniginePlaytime ~1hOn PC · Apple Macintosh · Linux

✓ Fits the tower defense games cluster, with real-time strategy, tower defense planning and setting scifi

≠ Its own twist: post-apocalyptic world, while skipping deep simulation

Complete list of rTS games like Gratuitous Space Battles

The full catalog of games sharing gameplay DNA with Gratuitous Space Battles, ordered from highest to lowest similarity score. Use the filters above to narrow down by genre, setting or game mode and find the alternative that best fits your playstyle.

Cubemen

Cubemen

Tower Defense · RTS

Infested Planet

Infested Planet

RTS · Tower Defense

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Harvest: Massive Encounter

Tower Defense · RTS

Clash of Clans

Clash of Clans

RTS · Tower Defense

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Clash Royale

RTS · Deck Builder

Plants vs. Zombies 2: It's About Time

Plants vs. Zombies 2: It's About Time

RTS · Adventure

Revenge of the Titans

Revenge of the Titans

Tower Defense · RTS

Robowars

Robowars

Tower Defense · RTS

Swords and Soldiers HD

Swords and Soldiers HD

RTS · Tower Defense

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Anomaly: Warzone Earth

RTS · Tower Defense

Defenders of Ardania

Defenders of Ardania

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iBomber Defense

iBomber Defense

Tower Defense · RTS

Kingdom Rush Frontiers - Tower Defense

Kingdom Rush Frontiers - Tower Defense

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Star Wars: Empire at War

RTS · Turn-Based Strat

Impossible Creatures Steam Edition

Impossible Creatures Steam Edition

RTS · Simulation

World in Conflict

World in Conflict

RTS

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