The Yu-Gi-Oh! Early Days Collection is a collaboration between Konami and Digital Eclipse, featuring early digital titles from the franchise, including Game Boy and Game Boy Advance games. It includes notable titles like Eternal Duelist Soul and Dungeon Dice Monsters, which offer a nostalgic experience for fans. The collection provides features such as customizable borders, cheats, time rewinding, save states, and a digital gallery. Online play is currently limited to Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelists, with plans for expansion to other titles. However, it lacks some key games from the franchise's peak, such as The Duelists of the Roses, and may not be ideal for newcomers due to outdated mechanics and lack of tutorialization.