Best Moddable Steam Deck Games
Steam currently has 2,147 Moddable 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. Moddable game rankings were last updated on 6/26/2026.
Looking for more? Explore other lists such as:
- Best moddable games on Steam
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1. Left 4 Dead 2
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
Left 4 Dead 2 holds the #1 spot for "best Moddable Steam Deck game" with a Player Score of 97. Its score was calculated by analyzing a total of 1,041,408 reviews on Steam. This breaks down to a total of 1,015,652 positive reviews and 25,756 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. 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 #2 spot for the best Moddable 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 |
3. Euro Truck Simulator 2
Travel across Europe as king of the road, a trucker who delivers important cargo across impressive distances! With dozens of cities to explore, your endurance, skill and speed will all be pushed to their limits.
Euro Truck Simulator 2 has achieved a Player Score of 97, placing it in the #3 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 927,348 reviews on Steam. This breaks down to a total of 903,724 positive reviews and 23,624 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 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 | $4.99 |
| Release Date | 10/12/2012 |
| Franchise | SCS Software |
| Developer | SCS Software |
| Publisher | SCS Software |
| Steam App Id | 227300 |
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 Moddable Steam Deck games. Its score was calculated by analyzing a total of 275,360 reviews on Steam. This breaks down to a total of 268,754 positive reviews and 6,606 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. Factorio
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
Factorio has achieved a Player Score of 96, placing it in the #5 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 231,340 reviews on Steam. This breaks down to a total of 225,571 positive reviews and 5,769 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $35.00 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 | $35.00 |
| Release Date | 8/14/2020 |
| Developer | Wube Software LTD. |
| Publisher | Wube Software LTD. |
| Steam App Id | 427520 |
6. A Hat in Time
A Hat in Time is a cute-as-heck 3D platformer featuring a little girl who stitches hats for wicked powers! Freely explore giant worlds and recover Time Pieces to travel to new heights!
A Hat in Time has achieved a Player Score of 96, placing it in the #6 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 53,222 reviews on Steam. This breaks down to a total of 52,061 positive reviews and 1,161 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 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 | $29.99 |
| Release Date | 10/5/2017 |
| Developer | Gears for Breakfast |
| Publishers | |
| Steam App Id | 253230 |
7. American Truck Simulator
Experience legendary American trucks and deliver various cargoes across sunny California, sandy Nevada, and the Grand Canyon State of Arizona. American Truck Simulator takes you on a journey through the breathtaking landscapes and widely recognized landmarks around the States.
American Truck Simulator has achieved a Player Score of 96, placing it in the #7 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 193,455 reviews on Steam. This breaks down to a total of 187,496 positive reviews and 5,959 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 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 | $4.99 |
| Release Date | 2/2/2016 |
| Franchise | SCS Software |
| Developer | SCS Software |
| Publisher | SCS Software |
| Steam App Id | 270880 |
8. POSTAL 2
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
POSTAL 2 has achieved a Player Score of 96, placing it in the #8 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 135,089 reviews on Steam. This breaks down to a total of 130,980 positive reviews and 4,109 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.
| Steam Price | $9.99 |
| Release Date | 11/2/2012 |
| Franchise | Postal Franchise |
| Developer | Running With Scissors |
| Publisher | Running With Scissors |
| Steam App Id | 223470 |
9. Half-Life
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Half-Life has achieved a Player Score of 95, placing it in the #9 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 162,074 reviews on Steam. This breaks down to a total of 156,410 positive reviews and 5,664 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 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.
10. Keep Talking and Nobody Explodes
Find yourself trapped alone in a room with a ticking time bomb. Your friends have the manual to defuse it, but they can't see the bomb, so you're going to have to talk it out – fast!
Keep Talking and Nobody Explodes has achieved a Player Score of 95, placing it in the #10 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 16,977 reviews on Steam. This breaks down to a total of 16,515 positive reviews and 462 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.49 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 | $4.49 |
| Release Date | 10/8/2015 |
| Developer | Steel Crate Games |
| Publisher | Steel Crate Games |
| Steam App Id | 341800 |
More Moddable Steam Deck Verified Games
Explore even more rankings for the 10 best Moddable games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 21,180 | 11/16/2009 | 97 | $1.99 | Steam Charts | |
| 22,950 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 19,247 | 10/12/2012 | 97 | $4.99 | Steam Charts | |
| 1,313 | 11/16/2004 | 97 | $1.99 | Steam Charts | |
| 17,161 | 8/14/2020 | 96 | $35.00 | Steam Charts | |
| 116 | 10/5/2017 | 96 | $29.99 | Steam Charts | |
| 7,023 | 2/2/2016 | 96 | $4.99 | Steam Charts | |
| 282 | 11/2/2012 | 96 | $9.99 | Steam Charts | |
| 799 | 11/19/1998 | 95 | $1.99 | Steam Charts | |
| 194 | 10/8/2015 | 95 | $4.49 | 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). Left 4 Dead 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 20). RimWorld on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Euro Truck Simulator 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 26). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 23). Factorio on Steam. Steam Store.
- Valve Corporation. (2026, June 1). A Hat in Time on Steam. Steam Store.
- Valve Corporation. (2026, June 25). American Truck Simulator on Steam. Steam Store.
- Valve Corporation. (2026, June 17). POSTAL 2 on Steam. Steam Store.
- Valve Corporation. (2026, June 26). Half-Life on Steam. Steam Store.
- Valve Corporation. (2026, June 25). Keep Talking and Nobody Explodes on Steam. Steam Store.