Active, but hidden
?, 2012 -
The Event Horizon is a hidden world in Cubic Worlds, where events are sometimes held.
The world is flat, and occupied with various stadiums and other structures. A square fence borders the entire area, and it is impossible to get past it.
Apart from the LeafSpleef game run after The WONDERous Takeover, little is known about happenings in this world.