Some might consider vanilla ice cream as "plain" or "lacking" but true vanilla ice cream is made with a rare spice that is wonderfully balanced in a way that is uniquely pleasurable while being harmonious with many other flavors. Minetest Game (MTG) is very much analogous to this, lending itself as a base for many mods or a testing platform. One can find much pleasure in simply exploring landscapes, hiking about picking mushrooms, lazily boating the calm waters or delving dark and often dangerously precipitous caves!
This is a great api for getting mobs into your game quickly!
If you have an idea for a mob, this will take care of all the basic function and also has some added functions to easily extend mob behavior! It is well maintained and reported bugs are squashed in a timely way!