'Filter out string from result set

I have this SPARQL script meant to work on Wikidata:

SELECT
  ?game
  (group_concat(distinct      ?gameLabel ; separator = ", ") AS      ?gameLabels)
  (group_concat(distinct     ?genreLabel ; separator = ", ") AS     ?genreLabels)
  WHERE {
    ?game wdt:P31 wd:Q7889;
    wdt:P136 wd:Q744038.
    OPTIONAL {?game wdt:P136     ?genre}
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en".
           ?game rdfs:label      ?gameLabel.
          ?genre rdfs:label     ?genreLabel.
    }
} GROUP BY $game
ORDER BY ASC (?gameLabel)

You can test the code here:

https://query.wikidata.org/

Currently, I am filtering for a genre named "role-playing video game". However, I do not want this string to appear in the result set. How do I filter out just this string but not the actual records? Thanks.



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