Quick Overview The bitter fighting of the Eastern Front is given new depth and variety in No Step Back, the expansion to Hearts of Iron IV. With new alternate history paths and game systems, this eagerly awaited add-on presents new challenges for fans of Paradox Interactive’s best-selling grand strategy wargame.The centerpiece of No Step Back is a series of new National Focus Trees, giving players many new ways to imagine the course of World War II in Eastern Europe. Major nations have been entirely reworked to offer unique challenges and original histories.