I just signed into my Rovio Account on a new device, and it asked me if I want to transfer my progress from the device to my account. Will this overwrite my game data in the cloud? Rovio Support Team September 20, 2017 13:06 Updated No. The data on the device will be merged with the data on your account. Related articles I updated the game and lost my progress! I was playing Angry Birds offline, and now when I'm back online and signed into my Rovio Account, my offline progress has been lost. Why is that? Comments 0 comments Article is closed for comments.