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Attract-Mode Plus vs Retrom: catalog facts
Attract-Mode Plus	Retrom
Free Free to download and use.	Free Free to use; the source is published on GitHub.
Windows, Linux	Self-hosted
Scriptable layouts with image, video and audio support Flexible filtering of large game lists	One central library shared across several machines Integrates emulators for launching games
Emulators must be installed and configured separately Building custom layouts requires scripting	Requires running and maintaining your own server Mainly aimed at emulation rather than modern PC stores
Downloadable app	Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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