Mata, Itsuka. is a Japanese Yume Nikki fangame. The objective of this game is to explore and collect effects in Katsuki and Shun's dreams.
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.
Tokyo purgatorio is a Japanese Yume Nikki fangame. The goal is to explore Ginji Suzumoto's dream and collect Lines (Effects).
Yume Gatari is a traditional Yume Nikki fangame. You play as Netsuki, a boy that refuses to leave his room. Once in the dream world, the player can explore and collect effects. A mini game called SOUL can also by played by interacting with the console.
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.