For this week only, you can download Assassin's Creed Pirates free for iOS devices. This majestic, open-world mobile game brings high seas adventures straight to the palm of your hands. It's actually coming to you free after receiving its fourth update, granting access to a whole new level with new missions. You can unlock rewards and play around with the customizable ship feature. Assassin's Creed Pirates runs best with an iPhone 5 or higher.