Shiryou Sensen: War of the Dead

Shiryou Sensen: War of the Dead (1987) is considered by many to be the first true survival horror game. Designed by Katsuya Iwamoto, it was developed by Fun Project and published by Victor Music Industries for the MSX2, PC-88 and PC Engine platforms. It also featured open-world gameplay and RPG elements.

This horror action RPG revolves around a female SWAT member named Lila who must rescue survivors in an isolated monster-infested town. As the plot unfolds, it is later revealed that the monsters have come from a portal to another world and the family that has secretly protected it for generations.