I'd be happy to see regular events on our community that encourage people to promote games. If you're going to be asking people to rate games though please don't just use it as a voting ring. Ratings should be honest as always. If there's anything I can do to help you get any of your ideas started say so.
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I'm trying very hard to avoid voting rings. There's always a temptation (if someone rated you well) to rate them back well, or to revenge-vote (if someone rated you poorly).
It doesn't look like there's any community interest yet, so I'll start with something simple. Is there any way to see (others') games that are not rated? I can only see find my unrated games easily, and games that are top-rated.