The "4DLC" typically refers to the three story expansions plus the exclusive cosmetic collection included in the Season Pass :
Take your galactic adventure to the next level with the Season Pass ! This US-region digital content pack expands your journey with three major expansions and exclusive cosmetic rewards. Included DLC Packs Mario plus Rabbids Sparks of Hope [4DLC][US] NS...
The iconic Rayman joins the team! Team up with Rabbid Mario and Rabbid Peach in the Space Opera Network for a massive new adventure. The "4DLC" typically refers to the three story