The number of times you can save per mission is strictly limited based on your chosen difficulty level: : 5 saves Normal : 4 saves Hard : 3 saves Common Technical Fixes

A: If you are playing on Xbox 360 backwards compatibility, the emulator tracks the save file creation date. If the date is before you started the game, achievements may be disabled. Use cheater saves only for single-player fun, not for Gamerscore.

: If you have moved your "Documents" folder to a drive other than C: , the game may still attempt to look on the C: drive, requiring you to recreate the path there to fix the loading error. Quick Tips for Smooth Saving