You cannot directly merge zoos, but you can:
: Blueprints allow you to move buildings between saves. A story could revolve around a mysterious blueprint downloaded from the Steam Workshop that begins to change the zoo’s layout on its own. The Overwritten Legacy planet zoo save file
At its core, a save file in Planet Zoo is a snapshot of your entire zoo at a specific moment in time. It contains millions of data points, including: You cannot directly merge zoos, but you can: