WEB

Return to Castle Wolfenstein

Runs in your web browser through Wwasm.

Play in browser ↗ Open Wwasm ↗ Report link

Plays on wwasm.m-h.org.uk, the project's own web build.

Cover art from IGDB.

Original console: PC
Runs on: Browser
Platforms: Browser
Method: Source portBuilt on the game's own source code, which its developers released to the public.
Status: Playable
Last update: No release yet

Listing updated 15 Oct 2026.

Return to Castle Wolfenstein Browser port: quick answers

Do I need to own Return to Castle Wolfenstein?: Yes. Wwasm needs game files from a copy you own. PlayPorted links only to the project page and never to game files.
Is the Return to Castle Wolfenstein Browser port finished?: Yes, the project calls it playable, with no release so far.
Which systems does it run on?: It runs in a web browser.
Is it an emulator?: No. Wwasm builds on the game's released source code, so it runs as a native program instead of through an emulator.

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Return to Castle Wolfenstein

Return to Castle Wolfenstein Browser port: quick answers

Maintain Wwasm?

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