Produced by R. Talsorian Games Inc.
Originally produced in 1988 as part of the 'Interlock System' using the 'Friday Night Firefight system to resolve combat. The first set was released as part of a box set.
A revised 2nd edition was put out in 1990, also released as a boxed set, but shortly after available as an individual book.
In 2005, the entire system went over a complete overall and Cyberpunk V3.0 was released.
CyberPunk Red is due to be published in 2019.
The system uses a d10 to resolve checks.