This isn't quite on the money.
All Sport Pilot Certificates allow for a passenger. All Sport Pilots are restricted to daytime VFR and to aircraft that meet LSA criteria.
The endorsements beyond that are Controlled Airspace, Seaplane, and Conventional Gear.
The "Sets" of aircraft that initially came with the Sport Pilot license are gone, as they were completely unwieldy and impossible to enforce. It made no sense to have an endorsement for a Cub but not a FlightDesign CTLS.
That said, as a Sport Pilot I have done it "in chunks," getting my SPL and then a tail wheel endorsement. I also did spin training and some light aerobatic training. This isn't too far from what a PPL holder might do.
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A PPL can be earned for single seat aircraft only as well, but I don't know anyone who has gone such a route or a CFI that is willing to instruct from the ground through all phases of training.