This is going to happen more and more.
Your Steam page should be one of the first things you make, not something you wait to launch after months of polishing. Especially when your game is just an idea!
It’s every indie dev's worst nightmare.
I created this concept for the GMTK game jam. I held off on my Steam page to obsessively polish the mechanics... and it just got cloned and shipped. Probably mostly with a simple AI prompt.
Here’s my original build vs theirs 👇