Farewell

Overview
Farewell is a Yume Nikki fangame produced by Amata (アマタ).

Gameplay
You play as Relic, a girl that doesn't want to leave her room. She can travel to the dream world by going to bed; interacting with the book on the desk in her room saves the game. You start in Relic's room in a big mansion; you then go out to the fountain which is the nexus of the three worlds. After you arrive at the fountain, you can take a short cut by interacting with the fountain painting in the hallway near your room. You progress by collecting "Mementos" and "Flowers".

Pressing Z, Enter or Space bar lets you interact with something; pressing X, Backspace, Insert or 0 (with Num Lock) opens the menu and option screens; pressing SHIFT makes Relic sit down, or do a special action when using certain effects; pressing Tab wakes you up from the dream world; and pressing F12 will take you back to the title screen.

Effects
The effects in this game are called "mementos". There are 21 in total.

To unlock the endings, however, you also need the 9 flowers you can find during the exploration.

Version 0.05+ (Japanese)
Official Site

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Version 0.05+ (Chinese)
Yumenikki.info Page