Back in November 2014 Ubisoft announced that they will be making the Assassin’s Creed Unity: Dead Kings DLC available to all of those free of charge. This comes as part a compensation for the somewhat troubled launch of the game.
When Assassin’s Creed: Unity was first launched it came with a number of bugs and issues that affected the game entirely, as part of an apology Ubisoft made the DLC free.
Here’s a description of the DLC:
“In Assassin’s Creed Unity Dead Kings you’ll explore the ancient crypts and tombs beneath Paris in search of the secrets of the Dead Kings. This free DLC includes a whole new section of the world to explore, new missions and gameplay, and the powerful new Guillotine gun. Dead Kings is absolutely free and is available now on Xbox Live, Playstation Network, and PC. “
You can also check out the launch trailer above for a quick look at the DLC.