So if you make a game and you said it was version 0.0.1 because it's your first one than you did it wrong!
Let's start with a random version
That number stands for MAGOR updates like a complete overhaul and complete new gameplay
That number means minor like adding a couple new features nothing big
The last number is a bug fix and doesn't add anything new
COUNGRATS YOU NOW KNOW HOW VERSIONS WORK