25 Free Steam Deck & Handheld Dev Resources (2026 Edition)

Official Steam Deck dev docs for compatibility, input, display, and verification.
Use for: Deck Verified checklist, controller API, and performance targets.

Community compatibility reports for running Windows games on Steam Deck via Proton.
Use for: checking compatibility and user tweaks before native Linux builds.

Godot export templates and docs for Linux and handheld.
Use for: one-click Linux builds and controller support on Deck.

Unity Linux (Mono/IL2CPP) build and player settings for Steam Deck.
Use for: building .x86_64 binaries and input handling.

UE Linux packaging for Steam and Steam Deck.
Use for: shipping UE games on handheld and desktop Linux.

Cross-platform input and display used by many engines on Steam Deck.
Use for: gamepad and touch when building custom or middleware-based projects.

Steam Input for configurable controls and glyphs on Deck and other Steam devices.
Use for: action sets, glyph API, and player preferences.

Open source overlay for FPS, frame time, and GPU stats on Linux/Deck.
Use for: performance profiling and bottleneck checks on target hardware.

Steam Deck compositor and scaling; docs for resolution and FSR.
Use for: understanding Deck display pipeline and FSR integration.

Valve FAQ for common Deck dev questions and verification.
Use for: quick answers on resolution, input, and store requirements.

Deck compatibility and tips for indies and publishers.
Use for: researching similar games and verification patterns.

AMD open source drivers and tools relevant to Deck’s APU.
Use for: debugging GPU issues and Linux performance.

Steamworks SDK for achievements, cloud, and store integration on Deck.
Use for: full Steam integration in your build.

itch.io Linux and Deck distribution and best practices.
Use for: alternative distribution and jam builds.

Community performance and settings for Deck and handhelds.
Use for: real-world performance expectations and user preferences.