In the early 2000s there were forever MMOs. I think Minecraft is the outlier "forever game" that isn't an MMO. And anyone can get hung up on a specific game and

In the early 2000s there were forever MMOs. I think Minecraft is the outlier "forever game" that isn't an MMO. And anyone can get hung up on a specific game and become a glitch-hunting speedrunner. But there really aren't that many. You said it yourself, CoD and Battlefield have to keep releasing new similar games, not coast off the last one.