You’ll be surprised how many people pay for Prime and not know there are benefits like free games. These posts still might be applicable to some.

Unless you sign up for a free trial and cancel. Pretty sure you still get to keep the game.

Fair point, but if you’re willing to jump through a couple of hoops you can get it for free. They claim that even if you cancel your subscription you’ll still have the game, so you can get a free trial or join on a friend’s family-sharing to get the game without paying anything.