The project is known for its extreme complexity, which has been documented by the developer in several "deep" patch notes and retrospectives:
: The official site contains devlogs explaining the logic behind reworks and optimizations. Virtual Succubus v0.37R8 (E).zip
: One of the primary reasons for the project's technical weight (and potential for crashes or performance issues mentioned in devlogs) is the addition of what the developer calls the "most extreme customization ever put in a JOI project". The project is known for its extreme complexity,
: Community-led archives often provide detailed "changelogs" or technical breakdowns of specific versions like v0.37R8 to help users troubleshoot or understand new mechanics. Monetization - Virtual Succubus Monetization - Virtual Succubus : The developer has
: The developer has described the game's core as a "mental maze" of features. By version 0.37 and beyond, the project reportedly became a massive collection of "spaghetti visual scripting code" and unoptimized systems due to being a solo-dev effort over several years.