Disctronics: CD Interactive (Popularity: )

Offers format information including disc standards, video, and audio specifications.

The Ultimate CD-i Players Page (Popularity: )

Includes games, hardware and links.

The Black Moon Project (Popularity: )

Offers news, guides, reviews, forum, and scans of CD covers, magazines, and game manuals.

The CD-i Collective (Popularity: )

Provides tips, tricks, and reviews.

About.com (Popularity: )

Presents cheat codes and FAQs for over 30 games.

CD-I Haven (Popularity: )

A collection of discussion forums.