How do I support the Steam Deck in my game?

Treat it as a distinct platform and give it deliberate attention. Test on actual Steam Deck hardware, since its specific hardware, Linux-based OS, and the Proton compatibility layer for Windows games produce behavior your desktop testing won't reveal. Ensure controller and input work well, proper controller support, readable text at the Deck's screen size, sensible defaults, since the Deck is a handheld and a keyboard-and-mouse-only game feels broken on it. Watch performance on its constrained power budget specifically, since a game fine on desktop may struggle on the Deck. And capture crashes from Deck players, since the Proton/Linux layer can surface crashes your Windows testing never would. Good Deck support meaningfully affects reviews and sales.

Why does my game behave differently on the Steam Deck?

Because the Deck is a specific environment quite different from a typical Windows desktop: it runs a Linux-based OS, Windows games run through the Proton compatibility layer rather than natively, it's a handheld with controller input and a small screen, and it has a constrained power and thermal budget. Each of these can change behavior, Proton can surface crashes or quirks that never appear on native Windows, the constrained hardware can cause performance problems a desktop doesn't, and controller-only input can break a mouse-driven UI. This is why testing on actual Deck hardware and capturing crashes from real Deck players matters: the Deck-specific issues, especially Proton-layer crashes, are largely invisible from normal Windows testing and need real-device and field data to find.

Why capture crashes specifically from Steam Deck players?

Because the Deck's Linux and Proton environment can produce crashes that your Windows development and testing will never reproduce, so without field data from real Deck players those crashes are invisible. A Windows game running through Proton on the Deck's specific hardware can hit failure modes that simply don't occur when you run it natively on your desktop, and you likely don't have a Deck handy for every test scenario. Capturing crashes from the field with device context lets you see when crashes are concentrated on the Steam Deck specifically, identify Deck-only issues, and fix them, which directly affects your Deck compatibility rating, reviews, and sales to the large and growing Deck audience. It turns the Deck from a blind spot into a platform you can actually monitor and support.

Tips for Supporting the Steam Deck

Quick answer: Test on actual Steam Deck hardware, ensure controller and input work well, watch performance on its constrained hardware, and capture crashes from Deck players. The Deck's Linux/Proton layer surfaces unique issues.

The Steam Deck has become a significant platform, and supporting it well, or poorly, affects reviews and sales. Its specific hardware and software environment means it needs deliberate attention. Here are practical tips for supporting the Steam Deck.

Test on Actual Steam Deck Hardware

The Steam Deck's environment, its specific hardware, its Linux-based OS, the Proton compatibility layer for Windows games, is specific enough that testing on your desktop doesn't tell you how it runs on the Deck. So test on actual Deck hardware, since that's the only way to see the Deck-specific behavior.

Bugnet captures crashes with device context from the field, so Deck-specific crashes are identifiable. Testing on real Deck hardware is the foundation of Deck support, because the combination of its hardware and Proton layer produces behavior, and crashes, that your normal testing environment won't reveal.

Ensure Controller and Input Work Well

The Deck is a handheld with controller-style input, so a game built around keyboard and mouse can feel broken on it. So ensure controller and input work well, proper controller support, readable text at the Deck's screen size, and sensible defaults, since input and readability are central to a good Deck experience.

Good controller support and Deck-appropriate UI are what separate a game that earns a Verified rating from one that frustrates Deck players. Getting input and readability right is much of what Deck support means, beyond just running without crashing.

Watch Performance and Capture Crashes From Deck Players

The Deck has constrained hardware, so watch performance on it specifically, a game that runs fine on a desktop may struggle on the Deck's power budget. And capture crashes from Deck players, since the Proton/Linux layer can surface crashes your Windows testing never would, which you need field data to see.

Bugnet captures crashes and context from real devices including the Deck, surfacing Deck-specific issues. So support the Steam Deck by testing on real hardware, ensuring controller and input work, watching performance, and capturing crashes from Deck players, treating the Deck as the distinct platform it is.

Test on actual Steam Deck hardware, ensure controller and input work well, watch performance on its constrained hardware, and capture crashes from Deck players. The Deck is a distinct platform with its own issues.