Gameshout
News, cheat codes, guides, FAQs, review, and walkthrough.

GameSpy.com
Description, review, cheat codes, and links to related articles.

H2Press
Offers forums, news and videos to download.

Halo 2 Clock
Offers countup since U.S. release. Offers screen shots.

Halo 2 Forum
Discussions on multiple aspects of the game, including weapons, vehicles, and strategies.

Halo 2 Source
Offers secrets and easter eggs, cheats and strategies, screen shots, gameplay movies, news, and forum.

Halo Infinity
Offers official and player-made videos and music.

Halo2 Mods
Updates on recent modification developments. Includes web-hosting for modification designers.

IGN
Contains news, review, previews, forums, cheats, articles, screen shots and videos.

Seifer's Halo Site
Community news, backstory, descriptions of characters and vehicles, screen shots, strategy guide, and forum.

Spartan Skulls
Offers trailers as well as gameplay videos of hidden content.

TeamXbox.com
News, reviews, previews, articles, interviews, downloads, contests, forums, and a chatroom.

XVGN
Contains a staff review, preview, screen shots, and cheats.