Gearbox Software -  .

Alex's Halo Glitches - - Offers descriptions of glitches, wallpapers, and MIDI files.

bellaonline.com - Halo Tips - - A complete walkthrough with; tips and tricks, plus information on the secret Legendary video clip.

cheatcodesgalore.com - Halo - - Cheats and hint.

Core Of Halo - - Links, wallpaper, info and trainers.

The Covenant Underground - - Learn how to hex edit, mod, and skin in Halo PC.

GT's Multiplayer Strategy - - Offers hints and tips for vehicles, weapons, maps, and teamwork. Most with screen shots.

Halo Binge - - Fan site with, tips, glitches, cheats, previews on upcoming halo games, and multiplayer stuff.

Halo Cheats - - Cheats for the xbox version as well as other games.

Halo PC Strategies - - Original weapon and game mode strategies.

Halo Unlimited - - Site for secrets and cheats as well as forums, and walkthroughs.

Microsoft - - Official publisher's site. Includes news, downloads, gallery, features, backstory, and screen shots.

North Carolina Halo Tournament - - An Xbox Tournament in Raleigh.

Westlake Puts Halo on the Mac - - Explains how the port to Mac was developed.