GamesRadar - Throughout Dead Space 3, you will be able to find numerous hidden collectibles known as S.C.A.F. Artifacts, Alien Artifacts, Unitologist Artifacts, and EarthGov Artifacts. When you have found every one of each set, you will be rewarded with the corresponding Circuit Set as well as the “The Professor” achievement/trophy, as well as the “Aliens” achievement/trophy . There are more than a few that can be downright dastardly in their locations, so we have put this guide together to show you where you can find each and every one of them without having to search every square inch of the universe. Keep in mind that many of the artifacts can be found within the side missions, as well as the co-op missions which you will need a friend to complete.