Please open https://dani-sc.github.io/star-dust-arcade-export/index.html to play the game.
Created in 2013. First published on 2014-02-11.
One workaround is to use Chrome, install https://chrome.google.com/webstore/detail/disable-keyboard-shortcut/aidbmcboeighgdnilpdljbedbbiocphj/ and remap the CTRL+W binding to do nothing.