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Gratuitous Space Battles

18 Games like Gratuitous Space Battles on Mobile that you should try

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We filtered the 50 games similar to Gratuitous Space Battles down to the 18 that fit the “Mobile” category. Castle Story, Bloons TD 5 and iBomber Defense Pacific top the list, ranked by affinity and similarity score to Gratuitous Space Battles.

NextGameLike63/ 100

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GenreStrategySubgenreTower Defense
Tags
HardcoreSoloMultiplayer
Year 2009Dev Positech Games
Stores

Quick answer

Within the “Mobile” category, the closest game to Gratuitous Space Battles is Castle Story — scoring 57/100 on our similarity scale. Bloons TD 5 and iBomber Defense Pacific follow close behind.

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The best games like Gratuitous Space Battles on Mobile

18 similar games foundUpdated May 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.

1

Castle Story

57
NGL63
Castle Story
Closest on genre
StrategyTower Defense
SoloMultiplayerSandbox WorldIsometricCo-op
Year 2012Dev Sauropod StudioPlaytime ~3hOn PC · iOS · Android

Shelved next to Gratuitous Space Battles for good reason: a sandbox world, single-player focus and an isometric view. They part company on combat and setting: this one brings magic-based combat and historical setting.

Released 3 years after Gratuitous Space Battles.

Genre100World84Game mode71Visuals43Combat0Setting0
2

Bloons TD 5

66
NGL95
Bloons TD 5
Closest overall match
StrategyTower Defense
SoloMultiplayerTacticalMeleeSandbox WorldIsometric2D
Year 2011Dev Ninja KiwiOn PS4 · Android · PC

Shelved next to Gratuitous Space Battles for good reason: a sandbox world, tactical combat and single-player focus. Both also lean on an isometric view. The distance is in tone and game mode — its own ground is a casual, approachable feel and co-op play.

Genre100Combat100World100Game mode63Visuals63Tone0
3

iBomber Defense Pacific

60
NGL57
iBomber Defense Pacific
Closest on visuals
StrategyTower Defense
SoloTacticalMeleeHardcore2DTop-Down
Year 2012Dev Cobra MobilePlaytime ~1hOn PC · iOS · Apple Macintosh

Genre puts it alongside Gratuitous Space Battles, and so does punishing difficulty, tactical combat and single-player focus. Both also lean on 2D presentation. The distance is in setting and game mode — its own ground is a casual, approachable feel and historical setting.

Released 3 years after Gratuitous Space Battles.

Genre100Combat100Visuals84Tone56Game mode54Setting0
4

Plants vs. Zombies

48
NGL91
Plants vs. Zombies
StrategyTower Defense
SoloTactical2DDarkCasual
Year 2010Dev PopCap Games · Electronic ArtsPlaytime ~5hOn PC · PS · Xbox

It comes from the same genre as Gratuitous Space Battles and shares tactical combat, single-player focus and 2D presentation. Where the two diverge is tone and setting: dark, oppressive atmosphere and horror setting.

Genre100Combat81Game mode54Visuals39Tone0Setting0
5

Bloons TD 6

59
NGL91
Bloons TD 6
StrategyTower Defense
SoloMultiplayerTacticalMeleeHardcoreSandbox WorldIsometric2D
Year 2018Dev Ninja KiwiPlaytime ~8hOn PC · iOS · Android

The genre is the same as Gratuitous Space Battles’s, and with it punishing difficulty, a sandbox world and tactical combat. The common ground extends to multiplayer gameplay and an isometric view. Where the two diverge is tone and game mode: a casual, approachable feel and magic-based combat.

Released 9 years after Gratuitous Space Battles.

Genre100World100Combat61Visuals56Game mode54Tone52
Details →1/1 agree it's a good match
6

Plants vs. Zombies 2: It's About Time

53
NGL80
Plants vs. Zombies 2: It's About Time
Closest on game mode
StrategyTower Defense
SoloMultiplayerTacticalSci-Fi2D
Year 2013Dev PopCap Games · Electronic ArtsOn Android · iOS

Genre puts it alongside Gratuitous Space Battles, and so does tactical combat, a sci-fi setting and single-player focus. To that it adds 2D presentation. They part company on tone and visuals: this one brings dark, oppressive atmosphere and horror setting.

Released 4 years after Gratuitous Space Battles.

Genre100Game mode100Combat80Setting39Visuals37Tone0
7

Cubemen

51
NGL55
Cubemen
StrategyTower Defense
SoloMultiplayerIsometric
Year 2012Dev 3 SprocketsPlaytime ~1hOn PC · iOS · Apple Macintosh

Its point of contact with Gratuitous Space Battles is single-player focus and an isometric view. The distance is in visuals.

Released 3 years after Gratuitous Space Battles.

Genre100Game mode100Visuals43
8

Clash of Clans

48
Clash of Clans
StrategyTower Defense
SoloMultiplayerIsometricCo-opFantasy
Year 2012Dev SupercellOn Android · iOS

The genre is the same as Gratuitous Space Battles’s, and with it single-player focus and an isometric view. They part company on setting and visuals: this one brings fantasy world.

Released 3 years after Gratuitous Space Battles.

Genre100Game mode72Visuals43Setting0
9

Anomaly: Warzone Earth

48
NGL75
Anomaly: Warzone Earth
StrategyTower Defense
SoloMeleeSci-FiIsometricFantasy
Year 2011Dev 11 Bit Studios · Microsoft StudiosPlaytime ~2hOn PC · PS · Xbox

Genre puts it alongside Gratuitous Space Battles, and so does melee combat, a sci-fi setting and single-player focus. To that it adds an isometric view. They part company on setting and visuals: this one brings fantasy world.

Genre100Combat65Game mode54Visuals43Setting36
10

Clash Royale

47
Clash Royale
StrategyTower Defense
MultiplayerTacticalIsometricFantasyMedieval
Year 2016Dev SupercellOn Android · iOS

Same family as Gratuitous Space Battles: tactical combat, multiplayer gameplay and an isometric view. Where the two diverge is setting and visuals: fantasy world.

Released 7 years after Gratuitous Space Battles.

Genre100Combat80Game mode77Visuals43Setting0
11

Kingdom Rush Frontiers - Tower Defense

45
NGL90
Kingdom Rush Frontiers - Tower Defense
StrategyTower Defense
SoloMeleeHardcoreIsometric2D
Year 2013Dev Ironhide Game StudioPlaytime ~5hOn PC · iOS · Android

It comes from the same genre as Gratuitous Space Battles and shares punishing difficulty, melee combat and single-player focus. Both also lean on an isometric view. The distance is in setting and combat — its own ground is strong narrative focus and magic-based combat.

Released 4 years after Gratuitous Space Battles.

Genre100Visuals60Tone56Game mode54Combat34Setting0
12

Kingdom Two Crowns

41
NGL86
Kingdom Two Crowns
StrategyTower Defense
SoloMultiplayer2DCo-opOffline
Year 2018Dev Noio · Raw FuryOn PS4 · Linux · Android

The genre is the same as Gratuitous Space Battles’s, and with it single-player focus and 2D presentation. They part company on tone and setting: this one brings strong narrative focus and fantasy world.

Released 9 years after Gratuitous Space Battles.

Genre100Game mode46Visuals30Tone0Setting0
13

iBomber Defense

40
NGL73
iBomber Defense
StrategyTower Defense
SoloCasual
Year 2010Dev Cobra MobilePlaytime ~2hOn PC · iOS · Apple Macintosh

Genre puts it alongside Gratuitous Space Battles, and so does single-player focus. Where the two diverge is tone and game mode: a casual, approachable feel.

Genre100Game mode53Tone0
14

Kingdom: New Lands

33
NGL80
Kingdom: New Lands
StrategyTower Defense
SoloHardcore2DNarrativeProcedural
Year 2016Dev Licorice · Raw FuryOn PS4 · Linux · PC

Genre puts it alongside Gratuitous Space Battles, and so does punishing difficulty, single-player focus and 2D presentation. The distance is in setting and world — its own ground is strong narrative focus and procedural generation.

Released 7 years after Gratuitous Space Battles.

Genre100Tone58Game mode55Visuals28Setting0World0
15

Unstoppable Gorg

42
NGL76
Unstoppable Gorg
Closest on setting
StrategyTower Defense
SoloMeleeSci-FiSpaceIsometric
Year 2012Dev FuturemarkPlaytime ~1hOn PC · iOS · Apple Macintosh

The genre is the same as Gratuitous Space Battles’s, and with it melee combat, a sci-fi setting and single-player focus. Both also lean on an isometric view. The distance is in tone and visuals — its own ground is a casual, approachable feel.

Released 3 years after Gratuitous Space Battles.

Genre100Setting100Combat63Game mode53Visuals43Tone0

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Explore games similar to Gratuitous Space Battles by category

If Gratuitous Space Battles left you wanting more, this is where you narrow it down. Was it the simulation or the turn-Based Strat that hooked you? There is a list of just that. And if you play on Nintendo Switch, PlayStation, Xbox and Mobile, filter by platform and skip the games you could not play anyway.

Rankings in the same genre

Sometimes what you want is not a Gratuitous Space Battles look-alike but simply the best Tower Defense Games there are. That is what these rankings are for: no comparison to anything, just the highest-rated games. And if you feel like widening the net, the Strategy Games ranking is a good way to run into something you were not expecting.