Best Sci-fi Steam Deck Games
Steam currently has 14,960 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 5/2/2026.
Looking for more? Explore other lists such as:
- Best sci-fi games on Steam
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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 459,240 reviews on Steam. This breaks down to a total of 453,288 positive reviews and 5,952 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 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 194,062 reviews on Steam. This breaks down to a total of 191,199 positive reviews and 2,863 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 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 239,128 reviews on Steam. This breaks down to a total of 234,079 positive reviews and 5,049 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 272,257 reviews on Steam. This breaks down to a total of 265,753 positive reviews and 6,504 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 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 74,856 reviews on Steam. This breaks down to a total of 73,327 positive reviews and 1,529 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 | 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 227,660 reviews on Steam. This breaks down to a total of 221,774 positive reviews and 5,886 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $17.49 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 | $17.49 |
| 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 269,708 reviews on Steam. This breaks down to a total of 262,320 positive reviews and 7,388 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $39.99 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 | $39.99 |
| Release Date | 9/10/2024 |
| Franchise | Coffee Stain |
| Developer | Coffee Stain Studios |
| Publisher | Coffee Stain Publishing |
| Steam App Id | 526870 |
8. 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 #8 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 22,636 reviews on Steam. This breaks down to a total of 22,282 positive reviews and 354 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $20.99 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 | $20.99 |
| Release Date | 6/18/2020 |
| Franchise | ANIPLEX.EXE |
| Developers | |
| Publishers | |
| Steam App Id | 1230140 |
9. 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 #9 spot for the best Sci-fi Steam Deck games. Its score was calculated by analyzing a total of 357,894 reviews on Steam. This breaks down to a total of 347,407 positive reviews and 10,487 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $7.49 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 | $7.49 |
| Release Date | 1/24/2018 |
| Franchise | Unknown Worlds |
| Developer | Unknown Worlds Entertainment |
| Publishers | |
| Steam App Id | 264710 |
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 171,350 reviews on Steam. This breaks down to a total of 166,589 positive reviews and 4,761 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 | 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 | ||||
|---|---|---|---|---|---|---|
| 2,215 | 4/18/2011 | 98 | $9.99 | Steam Charts | |
| 404 | 10/10/2007 | 97 | $9.99 | Steam Charts | |
| 38,610 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 2,084 | 11/16/2004 | 97 | $9.99 | Steam Charts | |
| 68 | 4/18/2019 | 96 | $14.99 | Steam Charts | |
| 5,421 | 9/3/2020 | 96 | $17.49 | Steam Charts | |
| 24,304 | 9/10/2024 | 96 | $39.99 | Steam Charts | |
| 27 | 6/18/2020 | 96 | $20.99 | Steam Charts | |
| 48,312 | 1/24/2018 | 96 | $7.49 | Steam Charts | |
| 279 | 7/19/2022 | 96 | $29.99 | 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, May 2). Steam Store. Steam Store.
- Valve Corporation. (2026, May 2). Portal 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Portal on Steam. Steam Store.
- Valve Corporation. (2026, May 6). RimWorld on Steam. Steam Store.
- Valve Corporation. (2026, May 6). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Katana ZERO on Steam. Steam Store.
- Valve Corporation. (2026, May 14). ULTRAKILL on Steam. Steam Store.
- Valve Corporation. (2026, May 14). Satisfactory on Steam. Steam Store.
- Valve Corporation. (2026, May 9). ATRI -My Dear Moments- on Steam. Steam Store.
- Valve Corporation. (2026, May 16). Subnautica on Steam. Steam Store.
- Valve Corporation. (2026, May 17). Stray on Steam. Steam Store.