This hack combines multiple hacks and adds a night theme to the backgrounds. that's it.
Database match: River City Ransom (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: A8612A36D9D2739D2B321B6EBB97C2757CCCA410
File CRC32: C3508F7E
ROM SHA-1: CA794E6A2B0ECF69B2BE1753D379CCE6434C49D7
ROM CRC32: E9C387EC