What does RMS think of video games?

Unlockable content is restricted to players who have made certain progress in-game. This is not free as in freedom. If a free, open-source game features unlockable content, is it unethical? Is it infringing on muh freedom?

>>35
Clients still hold geometry, including unseen one.
The server shall perform occlusion. For instance, if an enemy is moving hidden from the sight of a client, the server shall not send that information to said client.