Any game can explore grief and regret, but it’s horror that’s often most suited to delve into darker emotions. Turning monsters into metaphors is one of the genre’s great strengths, and in one flawed but fulfilling new horror game, its heroines' memories are the most grotesque part. Heartworm is a throwback survival horror game that wields nostalgia like a weapon. From aesthetics to controls to tone, Heartworm is an homage to the horror games of the late ‘90s and early 2000s. It’s not groundbreaking, but it captures the dreadful joy of older survival horror games.