Which language(s) should i learn to be a game developer?

Answer 1

You'll find useful information here:
https://www.sololearn.com/discuss/99903/?ref=app
https://www.sololearn.com/discuss/761432/?ref=app
https://www.sololearn.com/discuss/625747/?ref=app
https://www.sololearn.com/discuss/448721/?ref=app

Answer 2

I can recomment C or C++ because there are fast languages and will work on every Platform.
For game developement i think C++ is better because you have classes.

Answer 3

C# because you can create Unity games with it. Creating simple Unity games is a good start for game developer, I think.