The Supay Ceremony is a ceremony available at the Community Plaza for the Inca, which spawns Macemen so long as the population limit is not reached.
| Community Plaza ceremonies | |
|---|---|
 Harvest Ceremony ·  Gift Ceremony ·  War Chief Ceremony ·  Call the People Ceremony ·  War Ceremony ·  Healers Ceremony | |
 Aztecs |  Healing Ceremony ·  Garland War Ceremony ·  Water Ceremony* ·  Town Ceremony* ·  Calendar Ceremony* |
 Haudenosaunee |  Founder Ceremony ·  Earth Mother Ceremony · Water Ceremony* · Town Ceremony* |
 Inca |  Moon Ceremony · Supay Ceremony · Water Ceremony* |
 Lakota |  Charging Ceremony ·  Tokala Ceremony · Town Ceremony* |
| * requires Home City Card | |