This mod only works if you still have your local leaderboard files but have lost the profile progress file, so it will not do anything in the event of a Steam Cloud issue.
If you have lost your profile progress, this mod will scan your local leaderboard files and attempt to re-associate the matching leaderboard entries with your profile. It will also automatically unlock the campaigns based on your achievements.
After installing:
(selected) next to it).
LeftCtrl + RightShift + P.