“Hearts of Iron IV is a very ambitious undertaking and we might have been a tad optimistic with the original Q1 2015 date that was communicated. Hearts of Iron IV is our most complex game with massive scale as well as a lot of systems and details you need to get right. The games release has now been pushed back to late Q2 2015. The developers originally planned a release window of Q1 2015 but have stated that they were “a tad optimistic” with the original date. Paradox Development Studios have announced that the release of their upcoming grand strategy title Hearts of Iron IV has been delayed to late Q2 of this year.