Outlast VS Outlast 2

This is my first comparison, there are bound to be mistakes.
Outlast: 2013, runs on the older UE3
Outlast 2: 2017, runs on the younger UE4
All musics came from the Outlast and Outlast 2 soundtrack playlist.

[@MrReliable-qb5om]

for details you forgot to change ue3 to ue4 when it came to OL2