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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Browse games
Mass Effect (2007) poster image on Steam Backlog
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Mass Effect (2007)
89
86
93 , Very Positive
Dune: Spice Wars poster image on Steam Backlog
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Dune: Spice Wars
81 , Very Positive
Black Mesa poster image on Steam Backlog
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Black Mesa
84
88
95 , Overwhelmingly Positive
85 , Mighty
EVERSPACE poster image on Steam Backlog
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EVERSPACE
79
77
78 , Mostly Positive
83 , Strong
STAR WARS Knights of the Old Republic poster image on Steam Backlog
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STAR WARS Knights of the Old Republic
90 , Very Positive
Battlestar Galactica Deadlock poster image on Steam Backlog
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Battlestar Galactica Deadlock
77
72
86 , Very Positive
78 , Strong
Half-Life: Source poster image on Steam Backlog
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Half-Life: Source
70 , Mostly Positive
Aliens vs. Predator poster image on Steam Backlog
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Aliens vs. Predator
68
74
87 , Very Positive
Dead Space 3 poster image on Steam Backlog
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Dead Space 3
78
62
76 , Mostly Positive
ENDLESS Space 2 poster image on Steam Backlog
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ENDLESS Space 2
84 , Very Positive
82 , Strong
The Callisto Protocol poster image on Steam Backlog
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The Callisto Protocol
62 , Mixed
67 , Fair
Crysis Warhead poster image on Steam Backlog
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Crysis Warhead
84
79
85 , Very Positive
Mass Effect Legendary Edition poster image on Steam Backlog
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Mass Effect Legendary Edition
86
65
91 , Very Positive
87 , Mighty
Quake II poster image on Steam Backlog
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Quake II
94 , Very Positive
Deliver Us The Moon poster image on Steam Backlog
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Deliver Us The Moon
68
77
88 , Very Positive
71 , Fair
Dead Space (2008) poster image on Steam Backlog
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Dead Space (2008)
87
87
92 , Very Positive
Stellaris poster image on Steam Backlog
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Stellaris
78
80
88 , Very Positive
81 , Strong
STAR WARS Knights of the Old Republic II - The Sith Lords poster image on Steam Backlog
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STAR WARS Knights of the Old Republic II - The Sith Lords
85
84
93 , Very Positive
78 , Strong
Starship Troopers: Extermination poster image on Steam Backlog
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Starship Troopers: Extermination
91 , Very Positive
Space Pirates and Zombies poster image on Steam Backlog
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Space Pirates and Zombies
74
76
92 , Very Positive
Half-Life 2 poster image on Steam Backlog
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Half-Life 2
96
92
97 , Overwhelmingly Positive
Deus Ex: Human Revolution - Director's Cut poster image on Steam Backlog
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Deus Ex: Human Revolution - Director's Cut
91
86
92 , Very Positive
Half-Life poster image on Steam Backlog
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Half-Life
96
91
96 , Overwhelmingly Positive
Citizen Sleeper poster image on Steam Backlog
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Citizen Sleeper
82
74
94 , Very Positive
84 , Mighty