Title:           SCPArcade
Author:          hodgepodge
Pastebin link:   http://pastebin.com/xjMa1NcF
First Edit:      Wednesday 15th of July 2015 12:06:51 AM CDT
Last Edit:       Last edit on: Wednesday 15th of July 2015 12:52:59 AM CDT

http://www.furaffinity.net/view/17106964/
More info later.
 
Note that you can use escape to open up the pause screen.
 
The horizontal game loops after the 5th boss.
 
You only need 800 points to unlock all the galleries for that mode. And you need to be able to outrun Sanic to unlock all galleries for the survival run.