I noticed that some people in the group are searching for prefixes
You are not missing anything. They just try to be creative, that's all.
As you mentioned, it does not make sense. But if they are having fun with it, let it be.
So basically, this is like a jumping game, but the jumps are random, not fixed. If the range were predictable, it would definitely be a game changer. As it stands, though, it seems like a waste of time.