Separate names with a comma.
When asking for help with adventures and challenges (presumably all posts that can go onto facebook), instead of posting a message flashes up...
Similar to Guild Wars, have a division structure in Battle Arena. To make it simple to implement, a player's division will be based on their...
Publish league tables based on the division you are in for Guild Wars. Offer rewards for the top 3 (ish) in each division. This should be fairly...
