Do compact cybernetics count as fewer implants for purposes of avoiding negative levels?
Assuming you’re talking about the standard limit of no more cybernetics than your Con modifier +1, the compact gadget does you no good. This is because the Con +1 limit is for the number of implants you have, not the number of slots they take up. If you have a 12 Con and take three implants with slots of 0, you still take a negative level. You can, however, use the gadget system to get around this limitation if you have the wealth. By combining one or more cybernetic implants with the integrated cybernetic device gadget, they count as just one cybernetic. Even better, you can still use the compact gadget to reduce the size of the integrated cybernetic. Can you use the integrated cybernetic device gadget to add a non-cybernetic to a cybernetic implant? You shouldn’t ever need to. Any non-cybernetic piece of equipment can be turned into an implant with the external tool mount or internal tool mount cybernetic devices. You then combine that cybernetic with whatever you want to add it to w