Be good people and there is very little need for rules, but here are a couple of basics that will make life easier!
Mark Your RP's - If they are open to be joined, 1x1 or containing 18+ subject matter.
Moderator Permission is required for anyone wanting to possess a dimension hopping watch, as they are a limited resource, and having too many active at once could potentially throw off the campaign.
Keep your posts readable! Grammar and spelling mistakes are a part of life and understandable, but keep it within reason!
Have fun, and don't be a jerk!