Did you know that Bungie originally wanted to include Forge in Halo 2? Fast-forward ten years and it's finally happened...sort of. While you still can't Forge the classic Halo 2 maps, you can Forge the six Halo 2 Anniversary maps, or just build your own map in the Xbox One Anniversary engine. In this demo, Certain Affinity lead designer Dave Mertz walks us through what's possible in the new version of Forge.

Also be sure to stop by our ever-expanding IGN First hub page for this ongoing month of Halo: The Master Chief Collection , the one-stop shop for everything we're doing.

Ryan McCaffrey is IGN’s Executive Editor of Previews and Xbox Guru-in-Chief. Follow him on Twitter at @DMC_Ryan , on IGN , catch him on Podcast Unlocked , and drop-ship him Taylor Ham sandwiches from New Jersey whenever possible.