Files with the extension .ZTF contain data relating to a specific animal from the game 'Zoo Tycoon 2'.

Zoo tycoon 2 is a life simulation game that allows the player to create a relative realistic zoo simulation. The Game starts the player with an empty zoo to which the player adds animals, exhibits, facilities, etc.

.ZTF files contain the data regarding a specific animal or may also hold data on animal modifications downloaded from the internet.