I'm pretty sure its only open to community members, and I would be right.
Read the rules and FAQs next time pleaseRPG INFERNO: (Interactive Game)
In order to participate in the all cool RPG Inferno game, there are a few rules before you can participate. They are as simple as:
1. You must be a Community Member.
2. You must have made at least 1 quality post in the past 24 hours.