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    2. 1980s
    3. 1990's
    4. 2.5D
    5. 2D
    6. 2D Fighter
    7. 2D Platformer
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    9. 3D Platformer
    10. 4 Player Local
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    12. Action
    13. Action RPG
    14. Action Roguelike
    15. Action-Adventure
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    18. Alternate History
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    23. Automobile Sim
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    26. Beautiful
    27. Board Game
    28. Building
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    30. Card Game
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    33. Casual
    34. Character Action Game
    35. Character Customization
    36. Choices Matter
    37. Choose Your Own Adventure
    38. Cinematic
    39. City Builder
    40. Classic
    41. Clicker
    42. Co-op
    43. Colorful
    44. Combat
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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% 130,826 votes
logo
8. Deep Rock Galactic May 2020 Top 250 #43 Looter Shooter Loot Horror PvE Exploration FPS $29.99
8.60
97% 98,660 votes
logo
12. Half-Life Nov 1998 Top 250 #65 FPS Sci-fi Action Singleplayer Shooter 1990's $9.99
8.55
97% 66,479 votes
logo
15. DOOM May 2016 Top 250 #91 FPS Gore Action Shooter Demons Great Soundtrack $19.99
8.51
95% 155,450 votes
logo
18. Black Mesa Mar 2020 Top 250 #113 FPS Action Remake Sci-fi First-Person Singleplayer $19.99
8.48
96% 70,765 votes
logo
27. Ultimate Doom Apr 1995 Top 250 #227 FPS Classic Action 1990's Great Soundtrack Retro $4.99
8.37
96% 10,721 votes
logo
29. Outer Wilds Jun 2020 Top 250 #238 Exploration Space Adventure Mystery Story Rich Puzzle $24.99
8.37
95% 25,724 votes
logo
41. BioShock™ Aug 2007 Rank #311 FPS Atmospheric Story Rich Action Singleplayer Horror $19.99
8.32
94% 26,257 votes
logo
46. Machinarium Oct 2009 Rank #340 Point & Click Hand-drawn Puzzle Steampunk Robots 2D $14.99
8.31
96% 9,419 votes
logo
50. QUAKE Jun 1996 Rank #370 FPS Classic Action Shooter 1990's Singleplayer $9.99
8.29
95% 8,282 votes
logo
54. Orbt XL Apr 2017 Rank #379 Indie Casual Action 2D Space Singleplayer $0.99
8.29
97% 2,972 votes
logo
56. AMID EVIL Jun 2019 Rank #396 FPS Retro Dark Fantasy Action Shooter Magic $19.99
8.27
96% 4,141 votes
logo
57. Prodeus Nov 2020 Rank #401 EA FPS Retro Action Gore Indie Shooter $24.99
8.27
97% 2,986 votes
logo
61. Vecter Oct 2020 Rank #432 Free to Play Racing Indie Action Casual Arcade Free
8.26
97% 2,628 votes
logo
76. The Swapper May 2013 Rank #531 Puzzle Sci-fi Atmospheric Indie Space Platformer $14.99
8.22
95% 6,760 votes
logo
85. Project Wingman Dec 2020 Rank #570 Flight Action Jet Indie War Arcade $24.99
8.20
94% 8,088 votes
logo
88. DOOM II May 1994 Rank #581 Classic FPS Action 1990's Shooter Retro $4.99
8.20
95% 5,527 votes
logo
92. Heat Signature Sep 2017 Rank #609 Space Indie Stealth Top-Down Action Roguelike $14.99
8.19
95% 6,006 votes
logo
96. System Shock 2 Aug 1999 Rank #634 Cyberpunk RPG Horror Sci-fi Classic FPS $9.99
8.18
94% 5,964 votes
logo
104. ISLAND Aug 2018 Rank #759 Visual Novel Anime Story Rich Adventure Cute Time Travel $39.99
8.14
97% 1,058 votes
logo
105. DOOM Eternal Mar 2020 Rank #770 Action FPS Great Soundtrack Gore Violent Demons $59.99
8.14
91% 133,552 votes
logo
111. Barotrauma Jun 2019 Rank #796 EA Multiplayer Survival Co-op Simulation Submarine 2D $29.99
8.13
93% 15,581 votes
logo
114. DOOM 64 Mar 2020 Rank #815 Action FPS Classic 1990's Retro Gore $4.99
8.12
94% 4,470 votes
logo
129. Reassembly Feb 2015 Rank #961 Building Space Sandbox Strategy 2D Action $14.99
8.08
94% 3,401 votes
logo
131. Seen Jun 2019 Rank #1000 EA Early Access Indie Adventure Dark Action Puzzle $1.99
8.07
93% 5,575 votes
logo
136. Master of Orion 2 Nov 1996 Rank #1040 Strategy 4X Turn-Based Space Sci-fi Classic $34.99
8.06
96% 947 votes
logo
143. Baldr Sky Dec 2019 Rank #1140 Visual Novel Cyberpunk Mechs Sci-fi RPG Dating Sim $49.99
8.04
96% 735 votes
logo
144. Alien Shooter Sep 2003 Rank #1154 Action Shooter Blood Horror Aliens Gore $4.99
8.04
94% 2,103 votes
logo
145. Prey May 2017 Rank #1176 Sci-fi Space Atmospheric Singleplayer Immersive Sim Horror $29.99
8.03
90% 36,903 votes
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