Most of the other designs here are not logo's, they are way to detailed for a logo.
This.
But people always want to see a lot of flashy stuff...even though a logo needs to be designed to work black/white or color, small or big, alone or with all kinds of shit around it.
A logo is carefully designed typography (font choice, spacing, scaling, etc) and iconographic imagery which usually embodies the entire subject in one concise and simple image.
Here are some examples of "logos"
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login ** Only reason I say this is just for people to keep it in mind when designing...because we have a lot of COOL stuff...but as has been mentioned - most are not logos in their current state and would not work across the platforms that cRPG needs to use them.