Mementos

Overview
Mementos is a Yume Nikki fangame created by adanteallegro for the 2017 Dream Diary Jam. It stars a girl named Pure.

Gameplay
Mementos is a traditional fangame. The game starts with Pure asleep, reaching the nexus through the shining object on her rug. Once in the deeper part of the dream world, Pure cannot return.

The goal of the game is to collect all mementos and escape the dream world. Pressing Shift causes Pure to return to the Nexus. To save, the notebook in Pure's inventory can be used at any time.

Plot
One day, a strange black mist covers the sky. The members of a village are sent into a deep sleep after inhaling the mist. After waking in the dream world, they find their only way to escape is to go further into the dream world and collect mementos to return to reality.

The protagonist, Pure, is the next person to attempt this task and she is determined to succeed.