Fungus started as a tool for creating 2D narratives but, with a bit of imagination, can be easily adapted for a 3D environment.
I’ve decided to start with a tutorial on how to pick up coins in a scene, collecting points for each coin.
You can find the lessons here: https://tech.io/playgrounds/12965/unity3d-and-fungus-tutorial-pickups/.
Pic. 1 – From the Tutorial
Pic. 2 – From the Tutorial
Pic. 3 – From the Tutorial
Fungus can be downloaded from the Unity Asset Store: