the Blood Gulch remake: "The rest of the map." Turns out this version of Blood Gulch, which will be known as "Hemorrhage" in Halo: Reach, is actually one part of a gigantic five-part map called "Forge World" -- there's an island in the back bay, an outcropping called "The Rock," a hangar built into the cliff overlooking the bay dubbed "The Colisseum," and an open field area up above. The entire map starts out blank, and players will be invited to build their own levels in it using Reach's revamped Forge editor mode.
"Forge World is the evolution of what we've been through with Forge," Bungie Community Lead Brian Jarrard told Joystiq at a Microsoft event following the panel. "How do we expand on it even further, and give people even more flexibility, and more toys to work with?" The answer: by combining very detailed and customizable tools with a variety of variables used in whatever ways players see fit, according to Jarrard. The Forge editor can now apply different physical models to pieces inserted on the map, leaving them fixed in mid-air or even half-embedded in other pieces. Additionally, spawn points can now be easily colored according to team, teleporters can be dropped at will and even customized for vehicles, and gigantic structures (like a multi-level tower) can be summoned and placed just about anywhere.