Successfully used this on cengage.com for an old quiz assessment built with flash

Thank you for allowing access to a mountain of Flash content. Keeps getting better over time.

Great! There are occasional emulation bugs, but I've yet to encounter anything game breaking.

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It works.

The best Firefox add-ons.

Splendid! You even could interact with flash, for example, https://www.bournonville.com/

Very awesome add-on for classic gamers <3

Ruffle now even works in Firefox for Android. There remains a problem with installing the extension for android. Mozilla site hides it from the compatibility list. In order to install the extension, you need to go to the desktop extensions page and tap install button