This product includes Stellaris: Apocalypse. Base game required.The top 3 reasons to play Stellaris: ApocalypseEnhance the grand strategy experience of Stellaris with the Apocalypse expansion.Instantly unlock new tools to enhance your civilization's place in the stars.New spacecraft, new Ascension Perks, and new ways to engage in stellar warfare are all contained in the Apocalypse expansion. More details below!About Stellaris: ApocalypseStellaris: Apocalypse is a full expansion which redefines stellar warfare for all players with a host of new offensive and defensive option