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Shadow vs Porting Kit: catalog facts
Shadow	Porting Kit
Paid Paid subscription; the homepage showed a discount offer.	Free Free to download; some games in its catalog must be bought separately.
Windows, macOS, Linux, Android, Web	macOS
Full Windows PC, so any launcher, mod or app can be installed Clients for most desktop and mobile platforms plus a browser	Prepared installers for Windows games on macOS Catalog of games that can be filtered by genre, source and price
Ongoing subscription cost Needs a fast, stable internet connection	Compatibility depends on Wine, so not every game works Mac only
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.