Sci-fi games on Steam

Browse and discover some of the best Sci-fi games
This selection of games change every week, so be sure to check them out!

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The Swapper poster image on Steam Backlog
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The Swapper
87
86
93 , Very Positive
85 , Mighty
Homeworld: Deserts of Kharak poster image on Steam Backlog
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Homeworld: Deserts of Kharak
79
80
83 , Very Positive
79 , Strong
Half-Life: Blue Shift poster image on Steam Backlog
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Half-Life: Blue Shift
71
81
91 , Very Positive
Half-Life 2 poster image on Steam Backlog
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Half-Life 2
96
92
97 , Overwhelmingly Positive
Crysis Warhead poster image on Steam Backlog
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Crysis Warhead
84
79
85 , Very Positive
Black Mesa poster image on Steam Backlog
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Black Mesa
84
88
95 , Overwhelmingly Positive
85 , Mighty
Deliver Us The Moon poster image on Steam Backlog
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Deliver Us The Moon
68
77
88 , Very Positive
71 , Fair
Stellaris poster image on Steam Backlog
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Stellaris
78
80
88 , Very Positive
81 , Strong
Crysis Remastered poster image on Steam Backlog
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Crysis Remastered
70 , Mostly Positive
Warhammer 40,000: Dawn of War II: Retribution poster image on Steam Backlog
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Warhammer 40,000: Dawn of War II: Retribution
89 , Very Positive
Age of Wonders: Planetfall poster image on Steam Backlog
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Age of Wonders: Planetfall
81
75
80 , Very Positive
81 , Strong
Command & Conquer 3: Tiberium Wars poster image on Steam Backlog
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Command & Conquer 3: Tiberium Wars
85
81
90 , Very Positive
Warhammer 40,000: Dawn of War II poster image on Steam Backlog
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Warhammer 40,000: Dawn of War II
85
81
87 , Very Positive
STAR WARS - Dark Forces poster image on Steam Backlog
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STAR WARS - Dark Forces
89 , Very Positive
Cloudpunk poster image on Steam Backlog
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Cloudpunk
73
79
89 , Very Positive
69 , Fair
Supreme Commander 2 poster image on Steam Backlog
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Supreme Commander 2
77
62
88 , Very Positive
Star Traders: Frontiers poster image on Steam Backlog
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Star Traders: Frontiers
84 , Very Positive
Half-Life 2: Episode Two poster image on Steam Backlog
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Half-Life 2: Episode Two
90
92
97 , Overwhelmingly Positive
Rebel Galaxy poster image on Steam Backlog
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Rebel Galaxy
85 , Very Positive
74 , Fair
Battlestar Galactica Deadlock poster image on Steam Backlog
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Battlestar Galactica Deadlock
77
72
86 , Very Positive
78 , Strong
Quake II poster image on Steam Backlog
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Quake II
94 , Very Positive
Terra Invicta poster image on Steam Backlog
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Terra Invicta
80 , Very Positive
Half-Life: Opposing Force poster image on Steam Backlog
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Half-Life: Opposing Force
96
92
95 , Overwhelmingly Positive
System Shock 2 poster image on Steam Backlog
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System Shock 2
92
91
95 , Overwhelmingly Positive