Lots of great games are on sale for Labor Day weekend (September 1st), and I'll be adding them to this list, so keep checking back. Click the green buttons to open up the games in the App Store. The Phantom PI Mission Apparition by Rocket 5 Studios Inc. is on sale for $0.99, down from $1.99. [DKB url="https://www.appunwrapper.com/PhantomPI" text="Download" title="" type="" style="" color="green" width="" opennewwindow="" nofollow=""] Icebreaker: A Viking Voyage (Universal) by…