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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Galactic Civilizations III poster image on Steam Backlog
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Galactic Civilizations III
81
70
76 , Mostly Positive
83 , Strong
Deus Ex: Mankind Divided poster image on Steam Backlog
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Deus Ex: Mankind Divided
83
71
75 , Mostly Positive
82 , Strong
Singularity poster image on Steam Backlog
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Singularity
76
77
92 , 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
Half-Life: Opposing Force poster image on Steam Backlog
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Half-Life: Opposing Force
96
92
95 , Overwhelmingly Positive
Dune: Spice Wars poster image on Steam Backlog
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Dune: Spice Wars
81 , Very Positive
The Swapper poster image on Steam Backlog
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The Swapper
87
86
93 , Very Positive
85 , Mighty
Vanquish poster image on Steam Backlog
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Vanquish
78
90
89 , Very Positive
79 , Strong
Homeworld Remastered Collection poster image on Steam Backlog
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Homeworld Remastered Collection
86
82
88 , Very Positive
87 , Mighty
Half-Life 2: Update poster image on Steam Backlog
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Half-Life 2: Update
93 , Very Positive
Crysis poster image on Steam Backlog
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Crysis
91
81
79 , Mostly Positive
Master of Orion poster image on Steam Backlog
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Master of Orion
74
67
75 , Mostly Positive
79 , Strong
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
Aliens: Dark Descent poster image on Steam Backlog
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Aliens: Dark Descent
75
88 , Very Positive
75 , Strong
Half-Life: Blue Shift poster image on Steam Backlog
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Half-Life: Blue Shift
71
81
91 , Very Positive
Shadowrun Returns poster image on Steam Backlog
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Shadowrun Returns
76
75
88 , Very Positive
74 , Fair
Dead Space poster image on Steam Backlog
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Dead Space
87
87
91 , Very Positive
89 , Mighty
Mass Effect Legendary Edition poster image on Steam Backlog
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Mass Effect Legendary Edition
86
65
91 , Very Positive
87 , Mighty
XCOM: Enemy Unknown poster image on Steam Backlog
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XCOM: Enemy Unknown
89
82
94 , Very Positive
Half-Life poster image on Steam Backlog
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Half-Life
96
91
96 , Overwhelmingly Positive
Half-Life 2: Episode One poster image on Steam Backlog
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Half-Life 2: Episode One
87
87
95 , Overwhelmingly Positive
STAR WARS Empire at War - Gold Pack poster image on Steam Backlog
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STAR WARS Empire at War - Gold Pack
97 , Overwhelmingly Positive
EVE Online poster image on Steam Backlog
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EVE Online
88
77
74 , Mostly Positive
STAR WARS - Dark Forces poster image on Steam Backlog
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STAR WARS - Dark Forces
89 , Very Positive