This social technology consists of the creation and application of a game called Librário, which is composed of a deck of pairs of cards containing the signs of Libras (Brazilian Sign Language) and the words in Portuguese. Its goal is to teach sign language, enabling communication between Deaf* and listeners in a ludic way, promoting real inclusion for all. Extension project that resulted in the creation of social technology aimed at the inclusion of Deaf* individuals. Completely developed by CEDTec researchers and it won the first place of the 8th edition of the Social Technologies Award of the Banco do Brasil Foundation, in the category Universities in 2015, and the Creative Economy (Brasil Criativo) Prize in 2016. It consists of the creation and application of the game called Librário, which is composed of a deck of pairs of cards containing the signs of Libras (Brazilian Sign Language) and the words in Portuguese, enabling the learning of these signals for listeners and enhancing communication between the Deaf* and listeners. This exchange enables learning in a playful way, closer ties and better socialization within communities and schools, as well as the inclusion of those with disabilities.