On Reddit (r/Synthesia, r/Piracy), occasional users ask for key lists. The responses are always the same: “There is no list,” “Use the demo,” or “Just buy it.” Any comment that contains a supposed key is quickly deleted by mods because the keys are invalid within hours.
Because the old key system is being phased out, any "key lists" you find online are likely outdated, invalid, or intended for older versions of the software that may not even run on modern operating systems. synthesia unlock key list