recomp.gg
Return to Castle Wolfenstein
Return to Castle Wolfenstein cover art

Source portPlay in browser

Wwasm

Brings back Return to Castle Wolfenstein · By Gregory Maynard-Hoare

Plays in a browser tab. Opens wwasm.m-h.org.uk in a new tab.

Ways to play

  • Play in browser

    Return to Castle Wolfenstein · wwasm.m-h.org.uk

    Play
    How to play
    1. Press Play: it opens on wwasm.m-h.org.uk, the port's own page, in a new tab.
    2. A demo plays right away. For the full game, bring your pk3 files from a full copy of the game.
  • Build from source

    github.com

    Source on GitHub
    How to play
    1. There is no build to download: get the code from the project's repository.
    2. Build it as its README says. What the build gives, a program to run or the original game rebuilt for an emulator, is written there too.
    3. The project's page says what it needs from your own copy of Return to Castle Wolfenstein, if anything.

Details

What
The studio released the code; this port carries it to today's systems.
Code
github.com/GMH-Code/Wwasm15 stars on its repositoryLast updated Dec 30, 2025
License
GPL-3.0
Listed
Oct 9, 2026

Its game

From recomp.gg shelf, read Oct 11, 2026, SubmitGame's list, read Oct 14, 2026, the GitHub API, read Oct 18, 2026 and the GitHub API, read Oct 14, 2026. How to play gives the steps every way of its kind shares: the project's repository or site has the rest.