Sanitarium is a psychological horror point-and-click adventure video game that was originally released for Microsoft Windows. It was developed by DreamForge Intertainment and published by ASC Games in 1998. It was a commercial success, with sales of around 300,000 units. In 2015, it was ported to iOS and Android devices.

Quetzalcoatl is a deity in Aztec culture and literature. Among the Aztecs, he was related to wind, Venus, Sun, merchants, arts, crafts, knowledge, and learning. He was also the patron god of the Aztec priesthood. He was one of several important gods in the Aztec pantheon, along with the gods Tlaloc, Tezcatlipoca and Huitzilopochtli. The two other gods represented by the planet Venus are Tlaloc and Xolotl.