The Udemy course you are looking for is Learn how to make a juicy game in Godot 4 by Victor Meunier.
If you have ever played an indie game and thought, "Wow, that feels incredible to play—but why?" — the answer is almost always "juice." udemy learn how to make a juicy game in godot 4 link
You aren't just watching slides. You are building a playable game from scratch. By the end of the course, you will have a polished vertical slice of a game that you can use as a portfolio piece or expand into a full commercial title. The Udemy course you are looking for is
Students of this course often find that these small additions—some taking only minutes to code—are what finally make their games feel "professional" and satisfying to play. Learn how to make a juicy game in Godot 4 - Udemy Test your game on various platforms and devices
That’s the course in a nutshell – small, powerful, immediate feedback.
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Here's a suggested outline for a comprehensive course on Udemy: