Natsumi Kokochi is a traditional Yume Nikki fangame where you explore the dreams of Nejitsuki.
↻ is a traditional Yume Nikki fangame where you explore Umaretsuki's dream world.
Yume Mitai is a traditional Japanese Yume Nikki fangame. The objective is to explore Tsukino's dream world and obtain effects to unlock the ending.