Can someone explain the story to me? (spoilers) - Steam Community

The reason remains a hot topic is due to datamining. In 2018, a user known as "NeighborHoarder" extracted the assets from build 1.1.6 and discovered:

Fans often point to the lighting in Build 116 as being "grittier" and more "horror-centric" than the colorful final version. The Community Mystery

In this build, the Neighbor is notoriously aggressive. He places traps specifically based on your previous 116 seconds of movement.