Hyperactive granny was developed by FlatStack company. It was inspired by the Jumping Dinosaur Steve, which in its case was a tribute to Chrome easter egg game. All images and characters were created at FlatStack office by their own designers and developers.
The concept and drawing of Dinobabushka was created by Dinara Rasuleva, 2012. Used by Flatstack with permission. The artist requests no reuse of concept without written permission and attribution.