Found an NES version of Doki Doki Panic on eBay! Thought it'd be a hack of the original sprites on top of Mario 2 but this appears to be the original game!
Yume Koujou Doki Doki Panic ROM - Famicom Download - Emulator Games
DREAM WORLD DOKI DOKI PANIC! - Nintendo Famicom Disk System (FDS) rom download | WoWroms.com
Doki Doki Panic English(FDS Emulated) Game Cartridge for NES/FC Console - AliExpress
Doki Doki Panic Review (NES) | Obscure Video Games