Nightmare Diary's Title Screen.
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 6 worlds as of V0.2.
(Source: Official blog's description)
Nightmare Diary plays like a typical fangame. Your main goal is to explore the dream world and obtain effects. There is plenty of dialogue in the game as well.
There are 8 effects in this game so far.
|Blade||KNF carries a bladed weapon.|
|Shadow||KNF becomes a shadow. Lets you talk to other shadow NPCs.|
|Raincoat||KNF wears a yellow raincoat and it begins to rain. Pressing Shift makes thunder sound.|
|Wings||KNF has a pair of wings. His left wing is cut/bloodied.|
|Blood||KNF is covered in blood, just like how he is when awake.|
|Formal Wear||KNF wears formal attire. Pressing Shift makes him change between a groom and brides outfit.|