DayDream

Overview
dayDream is a Yume Nikki fangame which was removed from the public on March 31, 2013.

Plot
The game stars an emotionally unstable girl named Sadatsuki (さだつき).

Effects
Translated from Pixiv.

Deer (シカ) - Makes you go faster when equipping it.

Razor (かみそり) - The game's weapon effect, interacting with an NPC while holding it will cut/kill them.

Sepia (セピア) - When Shift is pressed the screen becomes in sepia colors.

Links
Official Site

Pixiv Page