CrossHook

Spec sheet

What it does

CrossHook is a native Linux launcher for trainers, mods, and patches used with Steam and Proton games.Read 4 Oct 2026 · github.com

Purpose

CrossHook is a native Linux launcher for trainers, mods, and patches for Steam and Proton games, including on Steam Deck.Read 9 Oct 2026 · github.com

Security

Exported trainer scripts are written with owner-only 0700 permissions because they may contain sensitive environment variable values.Read 4 Oct 2026 · github.com

License

CrossHook is open-source software under the MIT License.Read 9 Oct 2026 · github.com

Community integrations

Users can browse, import, export, and sync shared profiles from Git repository taps.Read 4 Oct 2026 · github.com

Community sharing

Users can browse, import, and export profiles through Git-based community taps, with commit pinning for reproducible installs.Read 9 Oct 2026 · github.com

Diagnostics

It includes a profile health dashboard, post-launch failure diagnostics, a console log viewer, and diagnostic bundle export.Read 9 Oct 2026 · github.com

Distribution

The supported packaged distribution is a Flatpak bundle, and releases provide bundles for x86_64 Linux.Read 9 Oct 2026 · github.com

Launch controls

CrossHook can preview the commands it will execute and offers curated Proton launch optimizations with vendor-specific options.Read 9 Oct 2026 · github.com

Launch modes

It supports Steam App Launch, Proton Run, and native Linux process launch modes.Read 9 Oct 2026 · github.com

Limit

The native launch mode does not support the two-step trainer workflow because trainers are Windows executables that need Proton.Read 4 Oct 2026 · github.com

macOS status

The README says macOS support is planned for a future release.Read 9 Oct 2026 · github.com

Profiles

Users can save and load per-game launch profiles, duplicate or rename them, and pin favorites.Read 9 Oct 2026 · github.com

ProtonDB

The profile editor can show ProtonDB compatibility tiers and advisory community suggestions for games with a Steam App ID.Read 4 Oct 2026 · github.com

Release status

The releases page lists v0.6.0, dated 2026-07-02, as the latest release.Read 9 Oct 2026 · github.com

Steam Deck

CrossHook supports Steam Deck, including controller and touchscreen navigation in Gaming Mode.Read 4 Oct 2026 · github.com

Steam Deck controls

Its adaptive Deck layout supports gamepad navigation and touchscreen use in Steam Deck Gaming Mode.Read 9 Oct 2026 · github.com

Steam discovery

It automatically discovers installed Steam games, App IDs, Proton versions, and compatdata paths.Read 9 Oct 2026 · github.com

Support and contributions

The README directs bug reports and feature requests to Forgejo issue templates and welcomes contributions on Forgejo.Read 9 Oct 2026 · github.com

Windows game installation

An Install Game flow installs Windows games through proton run and lets users review the generated profile before saving it.Read 9 Oct 2026 · github.com

Where Specifiction places it

• Game Trainers#17 of 307.2