Boardgamegeek https://boardgamegeek.com/boardgameexpansion/116937/big-idea-la-science-fiction-medievale
English - The Big Idea: La Science-Fiction Médiévale is the first (French) expansion pack (called "Genius pack 1") for The Big Idea. Out of the box, you'll find 80 new cards about Sci-Fi and Medieval times that will change the way you were creating your inventions and add a whole new dimension to the game.
Official https://www.funforge.fr/FR/?portfolio=the-big-idea-la-science-fiction-medievale
French - Simple, rapide, convivial et terriblement drôle, THE BIG IDEA est un jeu de création débridée, d’arguments de ventes absurdes mais surtout de crises de fous-rires à partager partout, avec tout le monde et sans modération !
Ludovox http://ludovox.fr/jeu-de-societe/the-big-idea-la-science-fiction-medievale-5804/
French - Un jeu de James Ernest.