The International Roman Festival "Nike - the Game and the Victory" has been held annually since 2016 in the archaeological reserve of Nicopolis ad Istrum (with a two-year break in 2020 and 2021, due to the imposed anti-epidemic measures). Traditionally, it is organized by the Town Hall of the village of Nikyup, the Association for Ancient reenactment "Mos Maiorum Ulpiae Serdicae", Regional Museum of History and the Municipality of Veliko Tarnovo.

Its attractive program highlights Roman and Goth life in the Late Antiquity, the mission of Bishop Ulphilas, includes workshops for demonstrations of Roman board games, ancient fashion and hairstyles, games with visitors, re-enactment of religious rituals, demonstrations of equipment, military drills and battles, Roman Law trials, slave market, ancient cuisine, recitals of ancient poetry, concerts of ethno-folk musical groups, etc. This year many reenactors from Austria, Hungary, Germany, Romania and Slovakia would participate in the reenactment activities.

Every year festival enjoys great visitor interest from locals and tourists, and is claimed as one of the reasons for the increased popularity of the Nicopolis ad Istrum Archaeological Reserve.