There will be 3 Forge World-like maps When over an object, the object will be highlighted There is now a "lock" object feature You can duplicate objects (without finding it in the menus again) There is now a "magnet" system where you can easily connect objects to other objects. (Makes a bridge perfectly aligned. Also works for walls, structures, etc.) Dynamic lighting for all Foregable objects (accepts shadows from the environment and casts shadows as well) Hinted that objects will change to match the theme of the map You can make zones (much like Reach) and when in the zone, the player's traits will change (speed, gravity, health, etc.) They made a playable H.O.R.S.E. map in Halo 4's Forge New purple "volumes" that will affect players and vehicles. It can boost them, slow them down, and move them to the sides No weather settings for Forge No undo feature for Forge. An undo feature is a "huge undertaking", "the magnet feature will hopefully reduce mistakes."
