You are bird that was droped from home. The purpose is back to the home. And home is brilliant nest. The bird is child. So you need to grow by eating food. If you can grow, you can fly!!!! The Bird to sayed "I'll be back...."
We used engine was created My team. This engine is Including function is 3D graphics Engine, Collision Engine, Sound Engine, etc. It used technology is DirectX11, C++, and some oss projects.