According to official website this will be a great game engine ...
The I-Novae engine incorporates a cutting-edge graphics engine with an advanced terrain engine, soon to be twinned with a complete toolset. This allows developers to display environments on any scale, utilizing procedural techniques to generate anything from planets to entire galaxies, while being capable of integrating heightmaps or geospatial data seamlessly allowing complete control over the environment...
See this official video with this great engine :
