2 Save Files.
saveData.ini Contains data to unlock all clothes.
saveData1.ini Is the actual save file.

Instructions-
Go to C:\Users\(your user)\AppData\Roaming\PizzaTower_GM2
Replace saveData.ini with the one you downloaded.
Rename saveData1.ini so that the 1 is changed to the number of the save file you want to replace.
Paste your newly-renamed file into the saves folder.