Sorry about the embedded video blocking the description. It's a site error and not mine. It says :-
Fully automatic spleef arena. Go in to the ready room with your friends, once everyone is in hit the button. You get teleported to above the spleef floor. A countdown begins before you get dropped and start spleefing. Once you are out of the game you will be teleported to a spectators area where you can watch the remaining battle or press a button to leave. The spleef floor get's instantly replaced at the start of a new game.
Fully Automatic Spleef Arena on June 23rd, 2014 08:28 AM EST