Secrets of Operation Clean Sweep v1.1 Difficulty Level 6 out of 7: Cover from fire: 3 out of 7: Worth the effort: 2 out of 7: #3: This spot requires a buggy you can pull up inside the building area then you have to pull the buggy behind the building near the boxes. Once there you can jump on the buggy then to the roof. Its best for defense because it just takes to long to use in the thick of action. #4