The game is called "The Pink Valley" because the narrator observes pink elements in the environment, specifically mentioning seeing "pink over there" which leads them to an alleyway, suggesting that the color plays a role in guiding the player and is part of the mod's aesthetic.
This video provides a detailed walkthrough and commentary on "The Pink Valley," a mod for the game DOOM 2. The creator explores the mod's unsettling atmosphere, disturbing imagery, and psychological themes, which are presented as a personal and deeply disturbing project by its developer. The video highlights the mod's unique gameplay mechanics and narrative progression, delving into its dark and often confusing nature.