Nightmare Diary

Overview
Nightmare Diary is a currently-in-development Yume Nikki fangame by Kayya and Tap. The main character is some kid named KNF, who has bloodstains all over him. In the dream world he is known as Ketsueki (血液, lit. Blood Liquid), and is no longer sporting the bloodstains.

There are 8 effects and 12 worlds as of V0.2.

(Source: Official blog's description)

Gameplay
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Effects
There are 8 effects in this game so far.

Version 0.2
Official Blog