Best Moddable Steam Deck Games
Steam currently has 1,606 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 6/13/2025.
Looking for more? Explore other lists such as:
- Best moddable games on Steam
- Best moddable Steam games for Mac
- Best moddable Linux games on Steam
- Free moddable games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Left 4 Dead 2
Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This 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 969,013 reviews on Steam. This breaks down to a total of 945,140 positive reviews and 23,873 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. 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 211,912 reviews on Steam. This breaks down to a total of 207,585 positive reviews and 4,327 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 835,425 reviews on Steam. This breaks down to a total of 814,769 positive reviews and 20,656 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 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 | $19.99 |
| 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 96, placing it in the #4 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 246,950 reviews on Steam. This breaks down to a total of 241,021 positive reviews and 5,929 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. 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 211,456 reviews on Steam. This breaks down to a total of 205,924 positive reviews and 5,532 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 51,738 reviews on Steam. This breaks down to a total of 50,626 positive reviews and 1,112 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 | 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 173,752 reviews on Steam. This breaks down to a total of 168,446 positive reviews and 5,306 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 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 | $19.99 |
| 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 95, placing it in the #8 spot for the best Moddable Steam Deck games. Its score was calculated by analyzing a total of 116,864 reviews on Steam. This breaks down to a total of 113,212 positive reviews and 3,652 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 148,733 reviews on Steam. This breaks down to a total of 143,581 positive reviews and 5,152 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 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 15,829 reviews on Steam. This breaks down to a total of 15,422 positive reviews and 407 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| 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 | ||||
|---|---|---|---|---|---|---|
| 25,409 | 11/16/2009 | 97 | $9.99 | Steam Charts | |
| 26,545 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 29,469 | 10/12/2012 | 97 | $19.99 | Steam Charts | |
| 1,845 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
| 16,049 | 8/14/2020 | 96 | $35.00 | Steam Charts | |
| 66 | 10/5/2017 | 96 | $29.99 | Steam Charts | |
| 4,135 | 2/2/2016 | 96 | $19.99 | Steam Charts | |
| 636 | 11/2/2012 | 95 | $9.99 | Steam Charts | |
| 635 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 109 | 10/8/2015 | 95 | $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. (2025, June 13). Steam Store. Steam Store.
- Valve Corporation. (2025, June 13). Left 4 Dead 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 25). RimWorld on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Euro Truck Simulator 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 23). Factorio on Steam. Steam Store.
- Valve Corporation. (2025, June 24). A Hat in Time on Steam. Steam Store.
- Valve Corporation. (2025, June 25). American Truck Simulator on Steam. Steam Store.
- Valve Corporation. (2025, June 25). POSTAL 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 23). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Keep Talking and Nobody Explodes on Steam. Steam Store.