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RetroArch Web Player vs Antstream Arcade: catalog facts
RetroArch Web Player	Antstream Arcade
Free The open-source software is available without a license fee.	Paid Paid subscription service.
Web	Web
No installation at all; it runs in any modern browser Uses the same libretro cores as the desktop application	More than 1,300 officially licensed retro games No emulator setup or ROM files needed
Slower than native and limited to lighter systems Save handling and controller support are more fragile than the desktop app	Requires a paid subscription Streaming needs a steady internet connection
Web application	Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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