make it Member only. Alts are no longer are problem.
Don't make it member only! Some people have alts that are members. Most people also aren't members, so it would be unfair on them. If your trying to eliminate alts, only allow unique IP addresses or ask people to only use their main.
How much players in the FFA?
Edit:
Allow turning a finished game into a youtube video.
Is this for both single and multiplayer games?
Edited 7/1/2016 18:15:56