Main advantages are tight integration with engine and ease of use. As I wrote here: https://news.ycombinator.com/item?id=15310477 https://news.ycombinator.com/i

Main advantages are tight integration with engine and ease of use. As I wrote here: https://news.ycombinator.com/item?id=15310477 https://news.ycombinator.com/item?id=15310477 GDScript is not very fast but It's rally an issue. In 3.0 where we will have C# and GDNative it won't be an issue at all.