I think it would need to be a game you have played before. I guess it is hard for me to understand what you are asking without examples.

If someone was a big Elder Scrolls player, and Elder Scrolls was coming out with a new game, I could see someone writing about the game before it came out.

Do they necessarily have to be paid games?

Yes I think so. Most F2P games already have a lot of content on Hive.

Ultimately I would like people in the community to write about something that would interest other people who read the post.