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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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
Stellaris poster image on Steam Backlog
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Stellaris
78
80
88 , Very Positive
81 , Strong
STAR WARS Jedi Knight II - Jedi Outcast poster image on Steam Backlog
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STAR WARS Jedi Knight II - Jedi Outcast
89
87
91 , Very Positive
62 , Weak
Mass Effect 2 (2010 Edition) poster image on Steam Backlog
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Mass Effect 2 (2010 Edition)
94
89
94 , Very Positive
Crysis Warhead poster image on Steam Backlog
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Crysis Warhead
84
79
85 , Very Positive
Vanquish poster image on Steam Backlog
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Vanquish
78
90
89 , Very Positive
79 , Strong
Tacoma poster image on Steam Backlog
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Tacoma
76
64
87 , Very Positive
77 , Strong
Battlestar Galactica Deadlock poster image on Steam Backlog
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Battlestar Galactica Deadlock
77
72
86 , Very Positive
78 , Strong
Half-Life 2 poster image on Steam Backlog
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Half-Life 2
96
92
97 , Overwhelmingly Positive
Binary Domain poster image on Steam Backlog
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Binary Domain
68
78
85 , Very Positive
Black Mesa poster image on Steam Backlog
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Black Mesa
84
88
95 , Overwhelmingly Positive
85 , Mighty
Remember Me poster image on Steam Backlog
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Remember Me
65
74
83 , Very Positive
Prey poster image on Steam Backlog
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Prey
90 , Very Positive
81 , Strong
Mass Effect: Andromeda Deluxe Edition poster image on Steam Backlog
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Mass Effect: Andromeda Deluxe Edition
72
51
76 , Mostly Positive
Crysis poster image on Steam Backlog
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Crysis
91
81
79 , Mostly Positive
DOOM 3 poster image on Steam Backlog
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DOOM 3
85 , Very Positive
Half-Life: Opposing Force poster image on Steam Backlog
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Half-Life: Opposing Force
96
92
95 , Overwhelmingly Positive
Warhammer 40,000: Space Marine - Anniversary Edition poster image on Steam Backlog
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Warhammer 40,000: Space Marine - Anniversary Edition
74
75
92 , Very Positive
Homeworld: Deserts of Kharak poster image on Steam Backlog
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Homeworld: Deserts of Kharak
79
80
83 , Very Positive
79 , Strong
Hard Reset Extended Edition poster image on Steam Backlog
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Hard Reset Extended Edition
73
73
82 , Very Positive
Half-Life 2: Update poster image on Steam Backlog
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Half-Life 2: Update
93 , Very Positive
Elite Dangerous poster image on Steam Backlog
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Elite Dangerous
80
67
76 , Mostly Positive
79 , Strong
SIGNALIS poster image on Steam Backlog
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SIGNALIS
96 , Overwhelmingly Positive
82 , Strong
Citizen Sleeper poster image on Steam Backlog
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Citizen Sleeper
82
74
94 , Very Positive
84 , Mighty