Unity is a multiplatform game development tool, designed from the start to ease creation. A fully integrated professional application, Unity just happens to contain the most powerful engine this side of a million dollars.

X4VI3R says

10/10 - Agree Disagree

A new step in the best direction.
The engine truly allows a smooth performance and beautiful details.
The modding kit is simple and ergonomic.
What else you could ask for?