Navigate to "Halo The Master Chief Collection\halo3\maps and replace construct.map, remembering to back up the original. Launch MCC with anticheat disabled, then select construct in custom games or forge. Do not load existing forge maps on construct, use only the base variant.

Known issues: none.
Vehicle modifications: Mongoose shaders have been tweaked and top speed increased for kart racing action. Banshee top speed increased and can now move straight up or down for map exploration.

Be sure to take a trip to the star! Post your best lap times!