I'm here to talk about how I created my first game with no experience in just 3 days. 

I used gdevelop, a free and no code  engine

There are  a lot of video on youtube  on how  make a game with gdevelop .

This is a tutorial on how make a flappybird: 

This is my game:

https://willybilly-2.itch.io/save-the-duck-200

https://gd.games/willybilly/permissible-pan