Armored Core Garage: Mission hints, arena tips, hidden parts, codes and cheats, media, and model information for Armored Core, Project Phantasma, Master of Arena AC 2 and 3, and Another Age.
Armored Core Nexus: This is a fansite devoted to the yet to be released Armored Core Nexus. It has great info on parts, stats, and design changes expected in this sequel.
Gaming Legacy: Armored Core: Offers game features, story, screen shots, and cheat codes for both series titles and expansion sets.
Inner Core Forums (Powered by Invision Power Board): Forums for the Armored Core series fanbase.
Orion Hunters: Contains forum, with discussion and ratings.
The Raven's Haven Forums (Powered by Invision Power Board): Forums for the Armored Core series fanbase.