Will PS4 games cost anything after membership expires?

Would have a question: if you have a membership (or Ps plus), PlayStation occasionally provides games that are actually for sale free of charge, which you can also download. My question would be whether you still own the game for free after membership, i.e. After the end of the month, for example, or whether you have to pay for the game afterwards (e.g. The game Sonic, which would actually cost 60 euro, but through membership is provided free of charge)

It remains free to play, but it is possible that a multiplayer costs something.

Does not work after membership ends. First you will be renewed again.

You still own for free. It's only about the time the game came out for free that you had membership.

You can only play these free games as long as you have a PS + membership