Answer 1

The main question is "which games"?
You might have to search online to find out what you can. Here are some threads which might be useful:

https://sololearn.com/compiler-playground/W0uW3Wks8UBk/?ref=app
https://www.sololearn.com/discuss/708938/?ref=app
https://www.sololearn.com/discuss/358950/?ref=app
https://www.sololearn.com/discuss/938441/?ref=app
https://www.sololearn.com/discuss/625747/?ref=app
https://www.sololearn.com/discuss/1194744/?ref=app
https://www.sololearn.com/discuss/622803/?ref=app
https://www.sololearn.com/discuss/1783783/?ref=app

Answer 2

Hello!
So try to find the best Engine to make a game.
A great Engine for creating games is Godot, it is free, for use you can create both 3d and 2d games and can be a good platform.

Also there is Game maker studio, it is free too but is focused on 2d games.

Answer 3

JavaScript and c and game engine