One day, a strange girl with long, spiky hair and piercing green eyes wandered into Tentacle Mart. She wore a black dress with a crimson ribbon tied around her neck, and her presence seemed to draw the very air out of the room. The Keeper, sensing her arrival, looked up from behind the counter.

Unlike the cutesy "convenience store management" sims that dominate the market, Tentacle Mart subverts the genre. You play as , a recently hired overnight stocker at "Tentacle Mart"—a big-box store built atop a submerged Lovecraftian ruin.

She tilts her head. A low, resonant hum vibrates through the store shelves. The jars of pickled eyeballs rattle. I need... the Jar of Whispering Water. Please.

: A blend of character-focused storytelling with supernatural or monstrous elements.