The Assassin's Creed series has a chronological order in terms of story. Firstly, there's Assassin's Creed Syndicate set in Victorian London. It is followed by Assassin's Creed Unity which is also set in France during a certain period. However, if we consider the overall franchise's story evolution, games like Assassin's Creed Black Flag, which has a pirate - themed story, also fit into the broader timeline at different points, contributing to the complex and interwoven story of the Assassin's Creed games.
Assassin's Creed games have a complex story timeline. It generally starts with Assassin's Creed Odyssey which is set in ancient Greece. Then comes Assassin's Creed Origins in ancient Egypt. After that, Assassin's Creed Valhalla takes place in the Viking era. These are some of the main games in the order of their story settings, which gradually move forward in time from the earlier historical periods to the more recent ones in the Assassin's Creed universe.