"Isaac's Union: Rebirth" is a remastered and enhanced version of "Isaac's Union". "Isaac's Union: Rebirth" and its DLC have launched special offers in the Steam store, in which the game's main body is sold at half price, and the DLC discount is also very high, with a limited time of two days.

In this special offer, "Isaac's Union: Rebirth" is discounted - 50%, currently priced at 24 yuan; DLC "Isaac's Union: Destiny" is discounted - 39%, now priced at 23 yuan; DLC "Isaac's Union: Destiny +" is discounted - 33%, now priced at 24 yuan. "Isaac's Union: Rebirth" and its DLC bundle are priced at 71 yuan in total.