indiePub has published an interview with indie game developers Peter Angstadt and Sam Torno of Turtle Sandbox.
Their game, Creo, won the 2011 Independent Propeller Award for Technical Excellence.
From the article:
"Creo, created by Lead Developer Peter Angstadt and Web Developer Sam Torno, is a 3D puzzle game where you build a mobile machine using a toolbox full of objects based on real-world physics. If, for example, you need to pass through a pond get to the goal, the vehicle you create will need to use a light material for the body so it can float and a combination of paddles and wheels so it can move across both land and water while maintaining momentum and control."