Ideal programming language(s) for game development.

[KaBooM]

What would that be?

I somehow regained interest in programming, with even stronger passion. Maybe I lost the motivation at first because I lacked ideas and goals, but now I have some

Anyway, if I want to get into game development, which language should I focus on?

I know the basics of C, C++, and Python. Should I just focus on mastering these 3 or do I need to learn other languages too?