From the introduction: Ecosystems collapse- deadly new viruses plague humanity – offworld colonies provide a refuge to the wealthy – megacorporations handle the real power in the world – the Interne t virtual reality extends across the globe and the colonies – man fuses with machine, using cybernetic implants and genetic modifications to become superhuman and achieve immortality. From assault rifles to miniguns, combat software to the latest advancements in microprocessor technology, nerve gas to botulin, cybernetic implants to genetic modifications, from armored cans to VTOL aircrafts and ballistic clothing to powered battle armor, CYD20 contains everything you’re going to need in your cyberpunk campaign.