Questions in TOO MANY NIGHTS

Share your creations!
Can anyone give me advice for replicating the games art style? Like what program the creators use, what brush, and general advice. I took down my previous post bc I was unhappy with the quality.
Are you ever going to add completion music to sandbox? (Like Ultimate Custom Night)
How i can differentiate the true entity from the false entities?
What is "Too little days"?
I dont see any gameplay