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Want a tactical and strategic tower defense challenge that's packed with options and upgrades? Take command of the dropship Sentinel and do battle across a vibrant sci-fi world.
PC (Microsoft Windows) · Aug 13, 2015
Worldwide · Exact date · IGDB
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Remake

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Expanded game

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54 achievements available.

Buy every upgrade in the armoury
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Fully upgrade a turret in the armoury
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Build 10 turrets
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Build 100 turrets
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Build 1000 turrets
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Complete campaign mission 1
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Complete campaign mission 10
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Complete campaign mission 11
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Complete campaign mission 12
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Complete campaign mission 13
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Complete campaign mission 14
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Complete campaign mission 15
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Complete campaign mission 16
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Complete campaign mission 17
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Complete campaign mission 18
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Complete campaign mission 19
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Complete campaign mission 2
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Complete campaign mission 20
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Complete campaign mission 21
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Complete campaign mission 22
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Complete campaign mission 23
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Complete campaign mission 24
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Complete campaign mission 25
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Complete campaign mission 26
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Complete campaign mission 3
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Complete campaign mission 4
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Complete campaign mission 5
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Complete campaign mission 6
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Complete campaign mission 7
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Complete campaign mission 8
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Complete campaign mission 9
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Complete mission 1 of the second mini-campaign
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Complete mission 2 of the second mini-campaign
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Complete mission 3 of the second mini-campaign
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Complete mission 4 of the second mini-campaign
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Complete mission 5 of the second mini-campaign
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Finish the campaign on Psycho difficulty
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Reach maximum level with any Commander
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Fire 10 Sentinel orbital weapons
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Fire 100 Sentinel orbital weapons
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Fire 1000 Sentinel orbital weapons
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Use 10 Stronghold abilities
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Use 100 Stronghold abilities
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Use 1000 Stronghold abilities
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Kill 50 enemies
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Kill 500 enemies
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Kill 5000 enemies
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Kill 50000 enemies
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Kill 500000 enemies
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Complete level 10 (Titan) using only Laser Turrets
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Complete level 2 (Fortification) using only path deployable weapons
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Complete level 6 (Alliance) without losing any Xenite defenders
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Reach Nexus rank 10
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Reach Nexus rank 5
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Community notes