Who is the best language for coding and design games ?

Answer 1

The language you choose is dictated by the game engines you prefer and the platform you wish to develop on. That said, C++ has been a popular language for game dev.

https://www.sololearn.com/Discuss/280672/?ref=app

Answer 2

C++ is a good language to create engines.
But creating game is another thing. It depends on what the engine supports.
The famous Unity engine is C#, unreal is C++, etc.