game character, Lua, programmer, male, focused expression, glasses, short hair, casual clothing, sitting at computer desk, coding, submarine interior, Barotrauma game, underwater, monitors with code, dim lighting, ambient glow from screens, detailed keyboard, headphones, intense concentration, 3/4 view, high contrast, detailed textures, submarine control room, glowing buttons, digital displays, marine life outside porthole, cold steel walls, ergonomic chair, side lighting, advanced workstation setup, sci-fi elements, isolated atmosphere, deep-sea exploration theme.