Best Sci-fi Steam Deck Games
Steam currently has 15,344 Sci-fi games, but not all of them can be played on the Steam Deck. Explore our list with the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Sci-fi game rankings were last updated on 6/26/2026.
Looking for more? Explore other lists such as:
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1. Portal 2
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Portal 2 holds the #1 spot for "best Sci-fi Steam Deck game" with a Player Score of 98. Its score was calculated by analyzing a total of 461,198 reviews on Steam. This breaks down to a total of 455,227 positive reviews and 5,971 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
2. Portal
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Portal has achieved a Player Score of 97, placing it in the #2 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 195,170 reviews on Steam. This breaks down to a total of 192,290 positive reviews and 2,880 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
3. RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
RimWorld has achieved a Player Score of 97, placing it in the #3 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 241,609 reviews on Steam. This breaks down to a total of 236,485 positive reviews and 5,124 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $34.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $34.99 |
| Release Date | 10/17/2018 |
| Developer | Ludeon Studios |
| Publisher | Ludeon Studios |
| Steam App Id | 294100 |
4. Half-Life 2
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
Half-Life 2 has achieved a Player Score of 97, placing it in the #4 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 274,611 reviews on Steam. This breaks down to a total of 268,024 positive reviews and 6,587 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
5. Katana ZERO
Katana ZERO is a stylish neo-noir, action-platformer featuring breakneck action and instant-death combat. Slash, dash, and manipulate time to unravel your past in a beautifully brutal acrobatic display.
Katana ZERO has achieved a Player Score of 96, placing it in the #5 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 75,268 reviews on Steam. This breaks down to a total of 73,720 positive reviews and 1,548 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $8.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $8.99 |
| Release Date | 4/18/2019 |
| Developer | Askiisoft |
| Publisher | Devolver Digital |
| Steam App Id | 460950 |
6. ULTRAKILL
ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.
ULTRAKILL has achieved a Player Score of 96, placing it in the #6 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 234,002 reviews on Steam. This breaks down to a total of 227,883 positive reviews and 6,119 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $22.49 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $22.49 |
| Release Date | 9/3/2020 |
| Franchise | New Blood Interactive |
| Developer | Arsi "Hakita" Patala |
| Publisher | New Blood Interactive |
| Steam App Id | 1229490 |
7. Satisfactory
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Satisfactory has achieved a Player Score of 96, placing it in the #7 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 273,345 reviews on Steam. This breaks down to a total of 265,842 positive reviews and 7,503 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $27.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $27.99 |
| Release Date | 9/10/2024 |
| Franchise | Coffee Stain |
| Developer | Coffee Stain Studios |
| Publisher | Coffee Stain Publishing |
| Steam App Id | 526870 |
8. Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Subnautica has achieved a Player Score of 96, placing it in the #8 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 373,573 reviews on Steam. This breaks down to a total of 362,689 positive reviews and 10,884 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $29.99 |
| Release Date | 1/23/2018 |
| Franchise | Unknown Worlds |
| Developer | Unknown Worlds Entertainment |
| Publishers | |
| Steam App Id | 264710 |
9. ATRI -My Dear Moments-
"As the world sank, I found you." In the near future, a sudden and unexplained sea rise has left much of human civilization underwater. In a little town slowly being enveloped by the ocean, an unforgettable summer is about to begin for a boy and a mysterious robot girl...
ATRI -My Dear Moments- has achieved a Player Score of 96, placing it in the #9 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 22,841 reviews on Steam. This breaks down to a total of 22,477 positive reviews and 364 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $8.39 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $8.39 |
| Release Date | 6/18/2020 |
| Franchise | ANIPLEX.EXE |
| Developers | |
| Publishers | |
| Steam App Id | 1230140 |
10. Stray
Lost, alone and separated from family, a stray cat must untangle an ancient mystery to escape a long-forgotten cybercity and find their way home.
Stray has achieved a Player Score of 96, placing it in the #10 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 174,075 reviews on Steam. This breaks down to a total of 169,228 positive reviews and 4,847 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $14.99 |
| Release Date | 7/19/2022 |
| Franchise | Annapurna Interactive |
| Developer | BlueTwelve Studio |
| Publisher | Annapurna Interactive |
| Steam App Id | 1332010 |
More Sci-fi Steam Deck Verified Games
Explore even more rankings for the 10 best Sci-fi games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,473 | 4/18/2011 | 98 | $1.99 | Steam Charts | |
| 297 | 10/10/2007 | 97 | $1.99 | Steam Charts | |
| 22,950 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 1,313 | 11/16/2004 | 97 | $1.99 | Steam Charts | |
| 98 | 4/18/2019 | 96 | $8.99 | Steam Charts | |
| 3,498 | 9/3/2020 | 96 | $22.49 | Steam Charts | |
| 20,172 | 9/10/2024 | 96 | $27.99 | Steam Charts | |
| 4,353 | 1/23/2018 | 96 | $29.99 | Steam Charts | |
| 33 | 6/18/2020 | 96 | $8.39 | Steam Charts | |
| 235 | 7/19/2022 | 96 | $14.99 | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2026, June 26). Steam Store. Steam Store.
- Valve Corporation. (2026, June 26). Portal 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 26). Portal on Steam. Steam Store.
- Valve Corporation. (2026, June 20). RimWorld on Steam. Steam Store.
- Valve Corporation. (2026, June 26). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 16). Katana ZERO on Steam. Steam Store.
- Valve Corporation. (2026, June 25). ULTRAKILL on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Satisfactory on Steam. Steam Store.
- Valve Corporation. (2026, June 23). Subnautica on Steam. Steam Store.
- Valve Corporation. (2026, June 17). ATRI -My Dear Moments- on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Stray on Steam. Steam Store.