I found this game a while back. It's called "Nightmare: Emergence". I was too scared to finish it, but I managed to do so. Anyways, this game is a lot like the well known horror game "Penumbra" but in 2-D and it is browser based! But you can download it too, but you need to download Greenfoot to run it. And that requires JDK (Java SE Development Kit) Version 1.6 or later. Anyways, that's you all you need to know about the game from me. Play the game for the ultimate experience.

LINKS:

Nightmare: Emergence in browser- greenfoot.org/scenarios/2017
Greenfoot Download: greenfoot.org/download
JDK Download:oracle.com/technetwork/java/javase/downloads/index.html
Nightmare Emergence Download (Greenfoot Required!): greenfoot.org/scenarios/2017/get_gfar

EDIT: Forgot to post a gameplay video. Here you bros go!:

Gameplay:youtube.com/watch?v=uG29jjQ_DF4