These are additional puzzle packs for
Sudoku on PTC. They are GRPs which cannot all be loaded at once. Use the add-on menu in Sudoku to swap to a different puzzle pack.
How to
You can apply different puzzle packs at any time using the Add-On system. This allows you to substitute the original Sudoku puzzles for a different set of puzzles. Your progress will not be lost if you switch puzzle packs; you can switch back and forth between them at any time, and your completion/save game info will be kept for each puzzle set. To apply a new puzzle pack, download the QRs for the pack you want, then go to "Add-Ons" on the Sudoku main menu. Type in the add-on name (the name in parenthesis on the QR sheet that you downloaded from), and the current puzzles will be replaced with the add-on puzzles. You can switch back to the default puzzles at any time by typing in "SUDOKU" as the add-on name.
