Giotto is a game invented by A12 and Alessandro Ceresoli, it's a competition of dictated drawing between passers by in the streets and it has been played for the first time in Mexico City in 2010.

#upgiotto is an initiative coordinated by Rossana Ciocca to diffuse Giotto in Italian cities' public spaces.

40 cards + one, form Giotto's deck of playing cards where the variable (+1 ) is the card representing the place where the game will be played.