OPERACIJA DVINA

Operacija Dvina turns Plokštinė into a game for 15–25 year olds. Plokštinė is a Soviet underground nuclear missile base hidden in a Lithuanian forest, and today it is the Cold War Museum. The game starts with remote audio episodes that hook you at home. At the museum you play missions with quizzes and "Legend or fact?" cards, built from the memories of locals who lived next to the barbed wire. The problem: AI travel guides invent facts, and at a site about nuclear weapons and occupation, invented facts are unacceptable. In Operacija Dvina, Meta's Muse models write every sentence only from official sources and named witnesses, and every fact is tagged with its source ([S1], [T3]). A verifier fails the build if any quote, number, name or quiz answer can't be found in its source. The quest includes: • 4 remote episodes you listen to at home, each ending on a mystery you can only solve on site • 7 on-site missions with stories, tasks (find, count, pace out the 23 m missile) and quizzes • 12 "Legend or fact?" cards where you weigh local legends against official sources • 11 languages with neural voice narration • QR codes on the museum walls unlock each mission on your phone Live: https://mariovilnius.github.io/operacija-dvina/ Also at: https://plateliai.lt/game/