10 Years After is a post-apocalyptic survival horror/ RPG by new indie dev Ten Tree Games.
Dying Light is a first-person, open world game set in a zombie apocalypse. The player character is able to free-run to get around the environment quickly.
A post-apocalyptic free-to-play MMO from the makers of EverQuest II and The Matrix Online. Set fifteen years after an initial horrifying outbreak, players must survive against the infected, wild animals, and other survivors.
Absolutely horrifying game and a nod to Lovecraftian horror. Wish more similar games came out.