4 Games with a space setting like Idun: Frontline Survival that you should try

Games like Idun: Frontline Survival · Find similar →

Ranking compiled by Lluis Enric Mayans, Founder & Head of ContentUpdated May 19, 2026How this is calculatedOrdered by an attribute-similarity model, not editorial opinion.

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We filtered the 50 games similar to Idun: Frontline Survival down to the 4 that fit the “Space” category. Gratuitous Space Battles, AI War: Fleet Command and Unstoppable Gorg top the list, ranked by affinity and similarity score to Idun: Frontline Survival.

iRank79/ 100

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GenreStrategySubgenreTower Defense

The best games with a space setting like Idun: Frontline Survival

4 similar games foundUpdated May 2026

Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Idun: Frontline Survival. Each one has been evaluated across 18 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.

#1Gratuitous Space BattlesClosest overall match

iRank58

GenreStrategySubgenreTower Defense

SoloMeleeTacticalSci-FiSpaceTop-DownIsometric

Steam👍 70%· 877RAWG👍 24%· 42MC72IGDB65· 2

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

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

≠ Stands apart with sandbox freedom, punishing difficulty and sandbox world, while skipping adventure storytelling

Gratuitous Space Battles is a mix of real-time strategy and tactics of Tower Defense, altogether featuring a science-fiction setting of space warfare.

Where it drifts furthest from Idun: Frontline Survival: world.

It predates Idun: Frontline Survival by 16 years, with what that implies technically.

Genre100Combat100Setting85Visuals66Game mode54World0

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Steam

#2AI War: Fleet Command

iRank69

GenreStrategySubgenreTower Defense

SoloTacticalMeleeSci-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 punishing difficulty, open world exploration and co op, while skipping adventure storytelling

###Impulse A real-time strategy developed by independent developers from Arcen Games. The game first appeared on the public in 2009 on the developer's site and the Impulse site, and later appeared on Steam in version 2.0.

Where it drifts furthest from Idun: Frontline Survival: world and progression.

It predates Idun: Frontline Survival by 16 years, with what that implies technically.

Genre100Combat100Setting80Visuals38Game mode33World0

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Steam GOG

#3Unstoppable GorgClosest on game mode

iRank76

GenreStrategySubgenreTower Defense

SoloMeleeSci-FiSpaceIsometric

Steam👍 79%· 307MC73IGDB73· 2

Year 2012Dev FuturemarkPlaytime ~1hOn PC · iOS · Apple Macintosh

✓ Same family of tower defense games: tower defense planning, melee combat and setting scifi

≠ Stands apart with vibe casual, while skipping turn-based strategy

Get ready to experience a revolution in tower defense that will send you spinning. Unstoppable Gorg challenges you to defend the solar system from fearsome aliens by sending satellites into orbit. Unlike other tower defense games, in Unstoppable Gorg you can move your towers by rotating the orbits that surround planets, moons and space stations.

Where it drifts furthest from Idun: Frontline Survival: visuals.

It predates Idun: Frontline Survival by 13 years, with what that implies technically.

Genre100Game mode100Setting82Combat53Visuals38

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Steam

#4MaiaClosest on progression

iRank44

GenreStrategySubgenreRTS

SoloProceduralSci-FiSpaceBase BuildingCrafting

Steam👍 44%· 1.1K

Year 2013Dev Simon Roth · Machine StudiosPlaytime ~1hOn PC · Apple Macintosh · Linux

✓ Shared with Idun: Frontline Survival: real-time strategy, deep simulation and survival mechanics

≠ Where it differs: brings sandbox freedom, sandbox world and resource management, while skipping turn-based strategy

About This Game Maia is a strange and hostile alien world, toxic to humans, yet lush with new life. Your mission is to colonise this poison eden, survive it's dangers and establish humanity's first foothold in the stars.

On reception: its Steam reviews are mixed, against mostly positive for Idun: Frontline Survival.

It predates Idun: Frontline Survival by 12 years, with what that implies technically.

Game mode100Setting83Progression79World78Genre50

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Steam

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