<human>: I've heard that there are some great free online courses that can teach me about my favorite hobby. Can you help me find them?
<bot>: Sure! There are a number of excellent free online courses available for learning more about your hobby, such as: 
1. Coursera's Introduction to Programming course, which teaches the fundamentals of programming and coding in Python.
2. Udemy's Introduction to Game Development Course, which covers everything from game design to 3D graphics and animation.
3. Khan Academy's Game Design Basics course, which provides an introduction to game development by teaching core concepts like level design, character design, and gameplay mechanics.