PS3 Games Seen on PS4 Store, May Indicate Potential PlayStation

This is likely an error, but it could also tie into the PlayStation Now beta currently under way.

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How to Play PS2 & PS3 Games on PS4 - Tech Advisor

It's Harder to Buy PS3 and Vita Games (But You Still Have Options)

Bundle also includes a Garnet Red DualShock 3 controller and Limited Edition Garnet Red PlayStation3 system featuring a massive 500GB hard drive which

PS3 500 GB God of War Ascension Legacy Bundle

The PlayStation ecosystem Stay connected to PS4 and PS5 (US)

PlayStation 3 games have mysteriously been appearing on the PS

PlayStation Plus Game Catalog lineup for December: Far Cry 5

PlayStation Needs to Future-Proof Its Digital Games Sales and Services