How are you guys making actually good 3D games with Claude? Mine look like SHIT

I just went on a rampage downloading shit again and again and again, trying to make a game that looks good because everything before it produced dogwater, but nothing is helping. Mind you, I'm vibe-coding all of this because I'm bored, but I see so many other people getting decent results, and I don't know what I'm doing wrong. I'm running Fable 5 too. As far as random connectors/skills/MCPs/plugins, I'm using:

fyi I'm talking about physical game design & mechanics, not story building. My point is that it all looks like complete dogshit