Doki Doki Panic Club!(NES)-Concept Title Screen by RetroReimagined on DeviantArt
Doki Doki Panic, Yume Koujou (FDS / Famicom Disk System) - Vizzed.com Play - YouTube
NES – Doki Doki Panic | Obscure Video Games
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!
New Super Mario Bros 2 - Doki Doki Panic Edition - GameBrew
Just got in a CIB copy of Yume Kojo: Doki Doki Panic. : r/Famicom
Yume Koujou Doki Doki Panic (Japan) [En by Vice v1.0] (~Dream World Doki Doki Panic!) ROM < FDS ROMs | Emuparadise