High Noon

High Noon is a multiplayer map included in Halo: Combat Evolved Anniversary for Halo: Reach. It is the remake of Hang 'Em High from Halo: Combat Evolved.

Setting
The map is set in a massive Forerunner generator complex which powers an enormous slipspace portal, connected with an unknown number of locations across the galaxy. Passage through this system requires a Forerunner keyship.

The playable area itself is an observation platform, barely sheltered from a storm raging just outside, creating a whirlwind of dust and debris around the center of the portal. Part of the structures in the playable space is also partially covered in sand.

Locations
The following are locations on the map that are so named on the player's heads-up display during gameplay:
 * Red Base
 * Red Bunker
 * Red Tunnels
 * Blue Base
 * Blue Bunker
 * Blue Tunnels
 * Overlook
 * Overlook Room
 * Portal Overlook
 * Portal Footbridge
 * Central Area
 * Covered Ramp
 * Lower Catwalk
 * Upper Catwalk
 * Outer Catwalk
 * Trench

Trivia

 * The map's name references the 1952 western film High Noon. Hang 'em High itself also references to another western film called Hang 'em High which was released in 1968.
 * According to 343 Industries, the map's setting and aesthetic went through a number of iterations before the decision to use a Forerunner theme. For the map, Certain Affinity and 343 Industries' Franchise team did a significant amount of exploration on the architecture and mechanics of Forerunner technology.
 * According to gameplay footage found on YouTube and 343's website, it appears that the red base and blue base have been switched.
 * It is to be noted that while on Forge, the cubic Forerunner objects seemingly planted in the ground are known as "tombstones", meaning that there is a possibility that this is a Forerunner burial ground. Alternatively, it might be a reference to the Halo 2 remake of Hang 'em High, Tombstone.