I made a thread explaining that we did not rip anything.
https://twitter.com/KamuoHen/status/1176386051473952768
There's only one enemy because of time. We wanted to release this as close to the original's release date.
The sprites are not 1:1. It's not hard to see they are different on my comparison. And the 2nd and 3rd attacks are just whole completely different actions.