Hasbro has teamed up with Egmont Media to release an interactive storybook app based on the “Transformers Prime” animated TV series.

With the “Transformers Prime Story Cube” app kids can read the first story, Darkness Rising, for free and unlock extra content throughout including character profiles, artifacts and locations. Additional stories are available for in-app purchase.

Created by Egmont Kids Media alongside the app developer Second Impact Games the app is available now in English for iOS and Android devices and will be available in 10 additional languages later this year.