Then are all the sad movies about ships a copy of the Titanic?
All horror visual novels with breaking 4 walls - copy of Doki Doki Literature Club?
According to your logic, now any game, movie, cartoon, book is an attempt to copy its predecessor. I hope you'll work on your logic and stop writing shit like that
Yes, they borrowed the idea of "three in a row," but what's the big deal? History, style, people here are their own, native. So what can we say about trying to copy its predecessor?
Btw they literally putted that, this game is inspired:
"FluvStruck is a HuniePop-inspired dating sim"