There are a million mini golf games, but probably a lot less mini golf course builders - and that's exactly what this is!
Try it in your browser!I was making modular asset packs that I could easily import into Unity and thought it would be fun to make a MiniGolf set. I used Blender to create the models, and each model has simplified collision shapes for physics.
The editor supports tile rotation and elevation, and you can also pan and rotate the camera. The desktop version of the editor supports saving and loading courses via JSON.
Once the Hole and Tee are placed, you can test the course. The physics in the demo are very basic, but you can drag & shoot the ball with your mouse.