Butterfly Effect
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Nobetsu Maku Nashi is a Japanese Yume Nikki fangame created by Chiriakuta in WOLF RPG Editor.
Cranberry Dream is an English Yume Nikki fangame created by Gumitsu. It was made for Dream Diary Jam 2 in RPG Maker 2003.
Mixtape is an English Yume Nikki fangame created by GumshoeJump. The game was made for Dream Diary Jam 2 in RPG Maker 2003.
Yume no Kirby is an English Kirby/Yume Nikki fangame created by Ondaja in RPG Maker 2003. It was developed as an entry for Dream Diary Jam 6.
B:(ursed is a Japanese Yume Nikki fangame created by Mizkura in RPG Maker VX Ace.
A game for the Dream Diary Jam 2018. An ordinary girl wakes up in a strange place and goes searching for shards of a portal to get home.
Night shift is a game built in a new YN-style engine that's entirely web based, developed as part of Dream Diary Jam 2. You explore the dreams of the protagonist Pry, who is travelling in space.
Oblivion is a Yume Nikki fangame, originally developed for Dream Diary Jam 2.
Strange Diary is a Yume Nikki fangame made for Dream Diary Jam 2.
Yume Petto is a Petscop fangame in the style of Yume Nikki. Explore familiar places as well as new worlds of all kinds, and collect all of the effects. Every world, characters etc must be at least a bit related to the Petscop universe.