According to one gaming analyst, the best-selling new PlayStation 5 game based on copies sold is Microsoft's Forza Horizon 5. Microsoft launched the game on PS5 at the end of March this year, and it recently eclipsed 3 million copies sold on PS5 to become the console's best-selling game of 2025, according to Alinea. The research company said the recent sale on Forza Horizon 5 on PS5, which brought the price down to $45, helped the game surpass 3 million sales on Sony's platform.Alinea added that Forza Horizon 5 is a juggernaut on Xbox, reaching more than 45 million players on Xbox One and Xbox Series X|S through sales and Game Pass downloads. The game is reportedly performing well on Steam, too, reaching 6.5 million copies sold, Alinea said.Continue Reading at GameSpot