Gta5 download size is around 90GB, and Rdr2 download size is around 150GB, so let’s assume GTA6 growth in filesize is the same percentage as gta5 to rdr2, which is around 167%, GTA6 will be around 250GB. From a quick google, the largest capacity floppy is 2.8MB, then it will require 91,428 floppy discs to fit just the installation file.