Cities: Skylines - Race Day is a newly released DLC for the base game, requiring *Cities: Skylines* to function. This strategy simulator expansion focuses on integrating large-scale public events into your city management. Core gameplay involves designing infrastructure to host high-octane races, running/cycling competitions, and major parades, transforming standard streets into event spectacles. Released in 2026, this content adds new logistical challenges centered around managing temporary routes and spectator flow within your existing metropolis.