The latest big PlayStation game, the multiplayer shooter Concord from developer Firewalk Studios, was a misfire upon release earlier this month and might have sold only 25,000 copies. [Update: Just over a week since launch, Sony has announced that Concord will go offline and refunds will be issued.]GameDiscover.co analyst Simon Carless told IGN that Concord likely sold 10,000 units on Steam and 15,000 on PlayStation as of the end of August. Concord struggling to sell would not be a surprise, as the game peaked at 697 concurrent players on Steam and is currently outside the top 100 best-selling games on PlayStation.Circana analyst Mat Piscatella told IGN that fewer than 0.2% of PS5 active players were logged into the game on Monday, August 26. Liam Deane, an analyst at Omdi…