is an adult-oriented sci-fi role-playing game (RPG) and visual novel currently in active development by Naughty Underworld . While the specific 0.20-alpha.1.rar file likely refers to an older archival or early-access build from approximately late 2023 to early 2024 , the project has since progressed significantly, reaching versions like 0.32 as of mid-2025 . Key Game Features
: The game features a main ship crew and several key heroines, such as Kittenna , Lillith , Mia , and Sofia (a half-giant bounty hunter). Core Systems : The_Solarion_Project_0.20-alpha.1.rar
: The game uses a versioning system where updates often introduce new mini-stories, "progress bars" for specific characters, and expanded animations. Technical and Availability Details is an adult-oriented sci-fi role-playing game (RPG) and
: Described as a sci-fi hentai visual novel with a "Mass Effect feel," it blends narrative storytelling with RPG mechanics , including a turn-based battle system. Core Systems : : The game uses a
: Updates are released through the The Solarion Project Itch.io page and the Naughty Underworld Patreon.