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    2. 1980s
    3. 1990's
    4. 2.5D
    5. 2D
    6. 2D Fighter
    7. 2D Platformer
    8. 3D
    9. 3D Platformer
    10. 4 Player Local
    11. Abstract
    12. Action
    13. Action RPG
    14. Action Roguelike
    15. Action-Adventure
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    38. City Builder
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    40. Clicker
    41. Co-op
    42. Colorful
    43. Combat
    44. Comedy
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Sci-fi

Top 150 best Steam games of all time tagged with Sci-fi, according to gamer reviews.

Title, date, platforms and price Score Rating
logo
5. Half-Life 2 Nov 2004 Top 250 #20 FPS Action Sci-fi Classic Singleplayer Story Rich $9.99
8.66
97% 126,898 votes
logo
8. Deep Rock Galactic May 2020 Top 250 #40 Looter Shooter Horror Loot Exploration PvE FPS $29.99
8.60
97% 93,651 votes
logo
12. Half-Life Nov 1998 Top 250 #64 FPS Sci-fi Action Singleplayer 1990's Multiplayer $9.99
8.55
97% 64,255 votes
logo
15. DOOM May 2016 Top 250 #88 FPS Gore Action Shooter Demons Great Soundtrack $19.99
8.50
95% 150,128 votes
logo
18. Black Mesa Mar 2020 Top 250 #105 FPS Action Remake Sci-fi First-Person Singleplayer $19.99
8.48
96% 65,736 votes
logo
28. Ultimate Doom Apr 1995 Top 250 #239 Classic FPS Action 1990's Great Soundtrack Demons $4.99
8.35
96% 10,006 votes
logo
34. Outer Wilds Jun 2020 Rank #276 Exploration Space Adventure Mystery Story Rich Puzzle $24.99
8.33
95% 21,036 votes
logo
44. Machinarium Oct 2009 Rank #310 Point & Click Hand-drawn Steampunk Puzzle Robots 2D $14.99
8.31
96% 9,141 votes
logo
52. Orbt XL Apr 2017 Rank #360 Indie Casual Action 2D Space Singleplayer -51%$0.49
8.28
97% 2,922 votes
logo
54. AMID EVIL Jun 2019 Rank #382 FPS Retro Dark Fantasy Action Shooter Magic $19.99
8.27
96% 3,882 votes
logo
56. Vecter Oct 2020 Rank #406 Free to Play Racing Indie Action Casual Arcade Free
8.26
97% 2,558 votes
logo
66. QUAKE Jun 1996 Rank #452 FPS Classic Action Shooter Singleplayer Multiplayer $4.99
8.24
96% 4,877 votes
logo
72. The Swapper May 2013 Rank #503 Puzzle Sci-fi Atmospheric Indie Space Platformer $14.99
8.22
95% 6,713 votes
logo
87. Project Wingman Dec 2020 Rank #578 Flight Action Indie Jet War Arcade $24.99
8.19
94% 7,377 votes
logo
88. Heat Signature Sep 2017 Rank #583 Space Indie Stealth Top-Down Action Roguelike $14.99
8.19
95% 5,882 votes
logo
91. DOOM II May 1994 Rank #602 Classic FPS Action 1990's Shooter Retro $4.99
8.18
95% 5,207 votes
logo
92. System Shock 2 Aug 1999 Rank #620 Cyberpunk RPG Horror Sci-fi Classic FPS $9.99
8.17
94% 5,818 votes
logo
100. Quake III Arena Dec 1999 Rank #691 FPS Action Arena Shooter Classic Multiplayer Shooter $14.99
8.15
95% 2,447 votes
logo
101. DOOM 64 Mar 2020 Rank #708 Action FPS Classic 1990's Retro Gore $4.99
8.14
94% 4,151 votes
logo
102. ISLAND Aug 2018 Rank #719 Visual Novel Anime Story Rich Adventure Cute Time Travel $39.99
8.14
97% 1,005 votes
logo
108. DOOM Eternal Mar 2020 Rank #786 Action FPS Great Soundtrack Gore Violent Demons $59.99
8.12
90% 124,480 votes
logo
118. Infinifactory Jun 2015 Rank #880 Puzzle Building Indie Programming Automation Sandbox $24.99
8.09
95% 2,102 votes
logo
119. Barotrauma Jun 2019 Rank #883 EA Multiplayer Survival Co-op Simulation Submarine Sci-fi -60%$11.99
8.09
92% 13,518 votes
logo
125. Reassembly Feb 2015 Rank #927 Building Space Sandbox Strategy 2D Action $14.99
8.08
94% 3,333 votes
logo
127. Seen Jun 2019 Rank #959 EA Early Access Indie Adventure Action Dark Puzzle $1.99
8.07
93% 5,232 votes
logo
131. Baldr Sky Dec 2019 Rank #1012 Visual Novel Mechs Cyberpunk Sci-fi RPG Dating Sim $49.99
8.06
97% 700 votes
logo
132. Master of Orion 2 Nov 1996 Rank #1015 Strategy 4X Turn-Based Space Sci-fi Classic $34.99
8.06
96% 900 votes
logo
145. Borderlands Game of the Year unreleased Rank #1161 Looter Shooter FPS Co-op RPG Action Loot $29.99
8.02
90% 29,568 votes
logo
148. Prey May 2017 Rank #1189 Sci-fi Space Atmospheric Singleplayer FPS Horror $29.99
8.02
90% 35,521 votes
logo
149. CHAOS;CHILD Jan 2019 Rank #1192 Visual Novel Mystery Anime Story Rich Violent Gore $34.99
8.02
94% 1,527 votes
logo
150. Alien Shooter Sep 2003 Rank #1211 Action Shooter Blood Horror Aliens Action RPG $4.99
8.01
94% 2,017 votes
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