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CrossHook

Free#26 of 30 in Game Trainers

CrossHook: An open-source Linux launcher for reusable trainer profiles, Proton selection, and diagnostics. Ranked #26 of 30 in Game Trainers by our editors (6.0/10); pricing: Open source; best for diagnosable Linux trainer profiles.

6.0/10Editor score

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At a glance

Editor score
6.0 / 10
Pricing
Open source
Best for
Diagnosable Linux trainer profiles
Paid from
Free
Platform support
Linux
Facts checked
20 Sep 2026

Where it wins
- Discovers Steam libraries, games, App IDs, and Proton compatibility paths
- Supports reusable profiles with Steam, direct Proton, and native launch modes
- Exports launchers, previews dry runs, and bundles profile diagnostics
Where it doesn't
- Linux is the only supported platform
- Current releases are distributed as Flatpak bundles only
- Automatic updates are not provided

Our verdict on CrossHook

CrossHook is an open-source Linux desktop launcher for running game trainers alongside Steam and Proton games. It is aimed at Linux players who want reusable, per-game trainer profiles rather than repeatedly configuring launch commands. The application discovers Steam libraries, installed games, App IDs, Proton versions, and compatibility paths. It supports Linux desktops and Steam Deck systems, with Flatpak as the current distribution format.

Its strongest area is launch flexibility. A profile can use Steam App Launch, direct Proton execution, or native Linux execution, while Proton version selection and compatibility information help organize games that need different runtime choices. Dry-run launch previews provide a way to inspect commands before starting a game. CrossHook also connects with Steam, Proton, Steam Deck, and Flatpak, making it a focused fit for Linux gaming setups built around those components.

Diagnostics and portability add practical value for more involved configurations. Profiles can be exported to shell scripts and desktop entries, and diagnostic bundles can be exported when reviewing or sharing configuration information. CrossHook is a good choice for Linux users who want a structured trainer launcher with multiple execution paths and inspectable profiles. It is less suitable for users on macOS or other platforms, and for anyone expecting automatic updates. Users should also expect the current release model to center on Flatpak bundles rather than a broader set of installers.

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CrossHook pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

CrossHook fact sheet

Free plan	Not verified
Paid from	Free
Platform support	Linux
Delivery model	Launcher
In-game overlay	Not verified
Automatic updates	No
Offline mode	Not verified
Simultaneous devices	Not verified
Refund window	Not verified
Deployment	Desktop
Platforms	Linux
Support	Docs, Community
Built for	Solo, Small business (editorial estimate)
Integrations	4 integrations: Steam, Proton, Steam Deck, Flatpak
Pricing	Open source
Website	github.com
Facts checked	20 Sep 2026

CrossHook integrations

CrossHook lists 4 integrations on its own site.

Steam
Proton
Steam Deck
Flatpak

Alternatives to CrossHook

See all CrossHook alternatives →

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Featured on iTechGuides

CrossHook is listed in our Game Trainers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update