Upcoming stealth-action game Assassin's Creed Unity will offer "dozens of hours" of gameplay, creative director Alex Amancio says in a new video published today (above). That's just for the main game, as the open-world title's season pass content will offer up another eight hours, the publisher says.In the video above, Amancio outlines the many activities players can take on outside of the main campaign, including side quests (murder investigations and treasure hunts are among them), co-op heist missions, and the Cafe Theatre.