For the spirit of the game, the maths behind and computing hidden :
below open : “Theory” (it’s a .pdf)
To get the sets of playing cards for K4, Goffle, Trebble and Quabble :
below clic (or biclic) on : “cartes-K4.tar.gz”
or on :
“cartes-Goffle.tar.gz”
(and so on) and download theses archives
then :
for linux users : right-clic then uncompress (or un-tar)
for Windows users : use WinZip (or 7zip or such) to expand the directory
in these directory you will find files fort he card images (four samples below) ready-to-print