From the back of the core book:
This manual contains the latest edition of the critically acclaimed Silhouette rules. Use them to propel your adventures in the CORE Command universe – or any setting in a wide variety of genres ranging from science-fiction, fantasy, anime, horror, modern age and more. It's an action-packed game in which you control bigger-than-life characters!
The Silhouette CORE rules drive all Dream Pod 9 roleplaying games:
- CORE Command
- Gear Krieg
- Heavy Gear
- Jovian Chronicles
- Tribe 8
and many more settings: Fantasy, Cyberpunk, Horror, Western, Espionage/Conspiracy, Modern, Comedy, Anime and Historical.
The book also contains Silhouette/d20 conversion rules, allowing you to benefit from the extensive d20-based library and the existing Dream Pod 9 Silhouette products.