Boardgamegeek https://boardgamegeek.com/boardgame/54395/difference
English - Based on the popular "spot the differences" challenges found in books, newspapers and elsewhere, Difference challenges your abilities to observe and react quickly.
Ludovox http://ludovox.fr/jeu-de-societe/difference/
French - Nouvelle édition par Gigamic en partenariat avec l'éditeur original Lucally.