Depending on what you had in mind, here is a write-up exploring the three most likely meanings behind that title: 1. The Community Milestone (Wishlists and Subscribers)
Recent discussions on r/indiegames highlight how 200k wishlists are the ultimate validation for solo and small-team devs. 2. The Narrative Scale (200k Words)
Developers on Quora describe the "grand" feeling of finally running metrics and realizing the sheer scale of what they've built.