Games likeIntruder Alert: Ixian Operations

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Obscure

A.I. Invasion

32% matchStrategy

20%29 reviews
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Artificial Defense

44% matchStrategy

76%71 reviews
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Hex Defense

31% matchStrategy, Sci-fi

50%12 reviews
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IDUN Prologue - Frontline Survival

40% matchRTS, Strategy

88%88 reviews
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Towerful Defense: Prologue

34% matchRTS, Strategy

87%74 reviews
AA

Infection Free Zone

32% matchRTS, Strategy

80%16.8K reviews
AA

Stronghold Crusader 2

41% matchRTS, Strategy

73%12.7K reviews
Indie

Enemy On Board

24% matchSci-fi

70%1.5K reviews
Indie

Into the Breach

30% matchStrategy, Sci-fi

93%19.1K reviewsDeck
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Riftwalker

41% matchStrategy

100%11 reviews
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Space Warfare

43% matchStrategy

58%97 reviewsDeck
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Fortification: tower defence

36% matchStrategy, Sci-fi, Similar premise

68%25 reviews
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Control Craft 2

33% matchRTS, Strategy

72%274 reviews
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Sentinel

39% matchStrategy

65%98 reviewsDeck
Indie

Intrusion 2

28% matchSci-fi

93%1.7K reviews
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Control Craft 3

33% matchRTS, Strategy

73%235 reviews
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Spider-Robots War

34% matchRTS, Strategy

60%28 reviews
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Color Defense

40% matchStrategy

72%55 reviews
AA

Nexus 5X

28% matchStrategy, Sci-fi

90%887 reviews
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Planet Stronghold

27% matchStrategy, Sci-fi

72%50 reviews
Indie

Battlevoid: Harbinger

37% matchStrategy, RTS

79%934 reviewsDeck
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StackFortress

36% matchStrategy, Sci-fi

43%16 reviews
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Star Fleet Armada Rogue Adventures

38% matchStrategy

73%23 reviews
AAA

Northgard: Definitive Edition

35% matchRTS, Strategy

85%54.6K reviews
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Here Comes The Swarm

36% matchRTS, Strategy

85%370 reviews
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AEXXOS

32% matchStrategy, Sci-fi

54%42 reviews
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Battlefall: State of Conflict

34% matchRTS, Strategy

63%52 reviews
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Radiant Defense

32% matchStrategy, Sci-fi

82%141 reviews
Indie

Interplanetary: Enhanced Edition

36% matchStrategy, Sci-fi

85%557 reviews
AAA

Command & Conquer™ Red Alert™ 3

40% matchRTS, Strategy

85%14.6K reviews
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Defense Task Force - Sci Fi Tower Defense

40% matchStrategy, Sci-fi

54%35 reviews
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Bunker Defense

34% matchRTS, Strategy

83%43 reviews
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Tower Dwellers

43% matchStrategy

60%30 reviews
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Interregnum Chronicles: Signal

24% matchSci-fi

61%34 reviews
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Lux Alliance

32% matchStrategy

75%62 reviews
AA

Cossacks 3

34% matchRTS, Strategy

82%12.4K reviews
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SpaceDweller

37% matchStrategy

35%14 reviews
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17.waves TD

31% matchStrategy, Sci-fi

94%17 reviews
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Melstorm game

32% matchStrategy

83%55 reviews
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SkyInFlames

34% matchRTS, Strategy

91%316 reviews
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Orcdom

36% matchRTS, Strategy

78%41 reviews
Indie

Dune: Spice Wars

35% matchRTS, Strategy

78%11.6K reviews
AA

From the Depths

27% matchRTS, Strategy

89%11.1K reviews25 h
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NULLPTR

26% matchStrategy, Sci-fi

100%12 reviews
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2112TD: Tower Defense Survival

31% matchStrategy, Sci-fi

87%433 reviewsDeck
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Quarantine

27% matchStrategy

60%326 reviews
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Space Cycle

34% matchStrategy, Sci-fi

93%180 reviews
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Immunity Wars

27% matchStrategy

93%15 reviews