Games like Mata, Itsuka.

"Yume Nikki" is a surreal, open-ended RPG Maker game where you explore various dream worlds at your own pace. By checking certain characters or items, you collect "Effects" that change the main character's appearance and offer unique actions. The game features a dark and atmospheric world with no clear goals or story, inviting players to discover its secrets and unlock a secret ending.

"Cirrus" is a horror-themed Yume Nikki fangame built in RPG Maker VX Ace, featuring 4 main worlds, 22 areas to explore, and 8 effects to collect. Players can sleep, enter dreams, and interact with various objects and NPCs without any text-based dialogue. The game is available in both English and Japanese, with a minimalist control scheme and 5 special events to discover.

In Dreamscape Abyss, your only goal is to walk and explore your dream worlds. When you fall asleep, you will enter your dream world and you can explore as much as you like before continuing on. Discover new areas and search for unique items that you can use to help your delve deeper into your dreams. Unlike most other games, you will not find any action or heavy dialogue present. Similar to ga…

Musou Yuugi is a Japanese Yume Nikki fangame. The game seems to have a theme of Japanese folklore/theatre. It focuses on exploration and collection effects, but ornaments for Shirayuki's dream room can also be bought from the market sellers in certain worlds.

Acatalepsy is a Japanese Yume Nikki fangame. Similar to most fangames, the player must explore Naoto's dreams to collect effects and piece together his history and current self. The game's readme warns squeamish viewers of "shocking" and "grotesque" content and color schemes. Much of the music used is disorienting and eerie, using an abstract, chiptune-esque style.

Made in Nightmare is a Japanese Yume Nikki fangame. The goal of the game is to explore Nemu's dream world and collect effects.

Someday is a traditional Yume Nikki fangame. Itsuki Inoue is trapped in his apartment by a terrible typhoon. He is unable to contact anyone. The only thing he can do, is sleep. So, in the meantime, he decides to explore his dreams in order to gather his thoughts. What could be inside his mind that doesn't feel right? The doll hanging out of the window stares at the gray sky. Will this typhoon …

Yume Aruki is a traditional Yume Nikki fangame. The main objective is exploring Twill's dreams and collecting effects. Notably absent from this game are aggressive NPCs, extensive events, and the horror overtones from both Yume Nikki and its many fangames. The game draws heavily on animal, tropical, and desert imagery.

De I Cide is a traditional Yume Nikki fangame. This game features mostly dark and disturbing themes and has a rather unusual soundtrack, consisting of metal and trance tracks in contrast to calm piano music. It stars a girl with messy hair named Inahoozuki and a silver haired child named Ginmokusei. Like most traditional fangames, the objective is to explore dream worlds and collect effects. Ther…

Ultra Violet is a Japanese Yume Nikki fangame that revolves around a girl named Sometsuki who explores her dreams while sleeping. It follows the traditional style of the genre, consisting of exploration and effect-hunting but in addition plays up the collectibility of selectable menu skins, an aspect only briefly touched upon by other games.