When searching, include filetype:swf in your query. Example: "Noli Me Tangere" kabanata filetype:swf . Then use Ruffle to open the result.
: You can still download standalone Flash players to run files locally on your computer without a web browser. noli me tangere adobe flash player top
Only download the Clean Flash Player from community-maintained GitHub repositories (search "Clean Flash Player"). When searching, include filetype:swf in your query