From the introduction:
The Silhouette system was produced by publisher Dream Pod 9 and suits their form of heavy space opera RPGs. The system is based upon rolling multiple d6s and the results exaggerate the effect either way. A big success roll results in highly positive effects, a bad roll means you suffer more damage for example.
There were three editions of the system, with Dream Pod 9 bringing out a Silhouette Core rules book to enable all their games to be run from one system, including at least:
- CORE Command
- Gear Krieg
- Heavy Gear
- Jovian Chronicles
- Tribe 8
Methods for converting Silhouette to d20 also exist (to enable the use of d20 sourcebooks).
The Silhouette system is generally well received for the genre and has mostly positive reviews.