What are some popular online horror games?

As of 2016, some popular online horror games include "Silent Hill Room 304" and "Deep Sleep." Both of these game are available at FreeHorrorGames.net to play for free.

In "Silent Hill Room 304," players must accomplish certain tasks in order to free someone or something trapped in room 304 of an old apartment building. This game takes players to many spooky locations, such as dark woods, an abandoned hotel and an old cabin.

"Deep Sleep" find players in the middle of a bad dream with scary music in the background. The player must complete certain tasks to escape from the dream world; tasks include finding keys, human bones and flashlights.