The Animus is the fictional device that lets people experience genetic memories in the Assassin's Creed series.
The device is central to the series' modern-day framework. A user enters the Animus and accesses memories inherited through a person's genetic line, allowing the games to move between a present-day storyline and historical adventures. The historical scenes are therefore presented as reconstructed experiences rather than ordinary time travel.
Abstergo Industries originally develops and uses Animus technology in the series. The Assassins later obtain or adapt related systems, turning the device into a tool for research, surveillance, and the search for powerful ancient artifacts. Different games introduce updated versions and commercial variants.
The Animus also explains why players can explore historical settings while still following a modern narrative. It is one of the franchise's most recognizable concepts, alongside the Assassin Brotherhood, the Templars, and the recurring struggle over human freedom.