"Aces In Spades" trophy hint
After completing the first Story mode level with an "Ace" rank, return to your Pod and press Start pause game play. Select "Settings", choose the "Profile" tab, and select the "Back Up Profile" option. After saving the profile, return to Story mode and select a different level. Complete that level with an "Ace" rank and save your profile again. Repeat the process until you have an "Ace" rank on ten levels. Note: If you die during a level, choose the "Import Profile" option and try again.