Well, I can understand why HN might go for a sci-fi roguelike over a game aimed at kids, even if it is technically impressive. If you made a blog post about a couple of interesting technical or business details you might get traction that way.

Game is super fun multiplayer experience, def recommend.

Stunning physics and guidance! It's a nice casual game

No need to be rude to OP. Their game is very nice, and is no more or less deserving of success than yours.