Uotamuosu is a Yume Nikki fangame. It stars three protagonists: Shiwasu, Bill and Takatsuki. Each one of them has his own locations and stories. You have to go through Shiwasu's scenario first, then Bill's and finally, Takatsuki's.
Unknown Exist is a traditional Japanese Yume Nikki fangame. It stars a girl named Kaede, who refuses to leave her room. The objective is exploration and collecting effects in order to achieve an ending.
Soul Song is a Chinese Yume Nikki fangame. The game plays much like other fangames, with the player's objective being to explore Mukuro's dream world via sleeping in the bed.
Sity is a Japanese Yume Nikki fangame. The game stars Mutsuki, a boy who cannot leave his room. The goal is to collect 16 effects in the dream world to unlock the various endings. This game has many elements related to modern cities and earthquakes.
Our good man, Reshnha, has been trapped in a world of dreams via an unknown force, and now he must escape by finding all the songs, strewn across a land composed of a pastiche of his own thoughts, memories and actions.
Sister's Dream, also known by its original name Art de Reve, is an English Yume Nikki fangame where you explore the deep dreams of a girl named Guretsuki.
Guretsuki is a typical 19 year-old hikikomori girl who doesn't want to leave her room. Throughout the dream world are various effects that'll allow you to trigger certain events, or make exploring your dreams a lot easier. Be careful while exploring, however, for the deeper you go, the darker your dreams get...
Sewage is a Chinese Yume Nikki fangame. You play a girl named Xuán Wō Zǐ. Like other fangames, the objective of the game is to explore the dream world and collect Items. Goods don't change the protagonist's form or do anything at all. Rather, they seem to be memories from the protagonist's past.
Rucidia's Dream is an English Yume Nikki fangame. You explore the dreams of the protagonist, Rucidia. The goal is to explore and collect all of the effects to access the ending.
Reverse Dream is a Japanese Yume Nikki fangame. The main goal of the game is to explore Guratsuki's dream worlds and collect effects (called Images (イメージ) in this game). Interestingly, each effect is based on a certain way of dying, with each effect having 死 (lit. Death) in its name.
Repentance is an English Yume Nikki fangame. You play as a girl named Latanie who refuses to leave her room, so she explores her own dreams instead. Like most fangames, the main objective is to explore the protagonist's dream world and collect effects.
Remedy is an English fangame made by Isasapiens. You play as Hareta, a girl stuck in her bedroom. In the protagonist's bedroom there are two medicine bottles, one of which she must use before sleeping. You will be taken to one of the two main dream worlds based on which medicine you took before sleeping. Remedy is a traditional fangame, with the goal being to explore and find effects.
Phobia is a Chinese Yume Nikki fangame. It stars Yǐng Zi (影子), a girl who refuses to leave her room and prefers to explore her dreams instead of reality.
P.S.Rose is a Japanese Yume Nikki fangame. You play as Baratsuki and explore several worlds outside of her bedroom with the objective of collecting effects, all of them relating to flowers or plants.