PS5 and PS4: A list shows how much PlayStation first party games have sold - Pledge Times
PlayStation: No More Free PS5 Upgrades From PS4 for First-Party Games
Xbox FY22 Q2 gaming revenue up 8% thanks to first-party games, Xbox Game Pass | Windows Central
Sony Is Working On 25 New Playstation 5 Games Including Some Brand New Franchises - TechStory
PlayStation 4 First-Party Games Will Match Microsoft's Prices
PS4 first-party games to RRP at $59.99 | VG247
30 Best PS4 games to play right now | GamesRadar+
One of the exclusive PS5 games that would be revealed at the next event is leaked
PlayStation 4's First Year: A Retrospective
The First Batch Of PS Plus Premium Games Has Been Revealed
Sony looking to phase out first-party PS4 games by 2025 - Gadgets Officials
Sony hints at mobile games based on first party PlayStation franchises
Sony expects an even better year for PlayStation 5 first-party games | VentureBeat
Sony's PS4 First Party Game Delays: Are They A Problem?
First-Party PlayStation Titles to No Longer Feature Free Next-Gen Upgrade; $10 from PlayStation 4 to PlayStation 5 - Niche Gamer
PlayStation 4 - Wikipedia
Playstation 4 Won't Get First Party Game in 2025
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PlayStation 4 third-party publishers can dictate their own DRM terms, Tretton says (update) - Polygon
PlayStation 4 sales are actually speeding up | Engadget
All the PlayStation 4 Indie, Third-Party and First-Party Launch Titles | All 23 PlayStation 4 Launch Day Games in One Place | TIME.com
PS4 | Incredible games, non-stop entertainment | PlayStation
Sony lies an end to discharge first-party PlayStation 5 game upgrades - Game News 24
