what language do I need to program a game?

Answer 1

it depends on the platform (PS4, X-Box, PC, Android Smartphones, Apple Smartphones and so on ) and your wish to create games for, what language you have to use.

for example:
unreal engine, C++: PC, PS4, android, apple, nintendo
https://www.unrealengine.com/en-US/what-is-unreal-engine-4

unity engine, C# and a unity version from JS (Unity-Script): PC, X-Box, PS4
https://unity3d.com/de

android studio, java, c++, kotlin: for android smartphones, tabletts
https://developer.android.com/studio/index.html

you will find also an engine for swift and apple smartphones
https://developer.apple.com/xcode/

and so on, have fun and keep on coding 👍😉

Answer 2

C# and C++ can be an important languages when you are trying to make games. C# with unity is used to program Android games.