Code-named "Smuggler" during the production phase, Halo 3's Cold Storage Map is a remake of a previous map called "Chill Out" from Halo: Combat Evolved. The map is set in a Forerunner facility with a Flood Super Cell outbreak. It is available as a free download from the Xbox Live Marketplace as of July 7, 2008, and will be part of the regular playlist rotation that requires the Legendary Map Pack.

1. Location: Installation 05
2. Terrain: Forerunner Structure, Flood
3. Weapons:
   1. Assault Rifle
   2. Battle Rifle
   3. Needler
   4. Plasma Rifle
   5. Rocket Launcher
   6. Sniper Rifle
   7. Shotgun
4. Equipment: Bubble Shield, Power Drainer, Regenerator
5. Power-ups: Active Camouflage, Overshield
6. Preferred Gametype: Small free-for-all slayer games

• Bungie Media: Halo 3 Cold Storage Map

• Blip.tv: Halo 3 - Cold Storage Map (Time: 3:23)

• GameTrailers.com: Halo 3 New Map: Cold Storage (Time 5:22)

• YouTube: Halo 3 Cold Storage Walkthrough (Time: 1:28)

• YouTube: Halo 3: Cold Storage comparison and lookback (Time: 1:33)

• YouTube: Cold Storage - Halo 3 - Chill Out Remake (Time: 1:38)