Ivan Xeneise expanded the swf541/ColdWarIronCurtain game mod by integrating Andorra and Liechtenstein as new playable states, enhancing the game’s geographic and political depth. He created new state files and updated province mappings using txt and yml formats, ensuring seamless data-driven content integration. Ivan also implemented localization entries to support multilingual gameplay, improving internationalization readiness and player engagement. His work demonstrated a strong grasp of game development and modding workflows, with careful attention to traceability and maintainability through version control. Although no bugs were addressed during this period, the feature delivered meaningful gameplay improvements and robust localization support.