Go ahead, do your thing.’”Mewgenics, which launched for PC on February 10th, is the year’s first surprise indie hit. “It’s a game about cats fucking, you know what I mean?”There is a deluge of mutations and disorders cats can inherit in the game — from bad gas or kidney stones to ADHD and depression — that impact their stats. While the original project was about cat breeding and the genetics involved, McMillen says, it wasn’t actually much of a game. “It was like a toy, a little idle game where you would breed your cats, and then you’d use your cats in minigames,” McMillen says. “It was very apparent that I was the only person that wanted to continue working on the project,” McMillen says.