jeddakus your using browser saves for this right? We do advise that you don't use these for permanent storage, they can be deleted by clearing your browsing cache. But let's see if we can recover these projects.
Are you attempting to load these through recent projects or the file dialog?
If they are appearing in the file dialog attempt to download them ( not open, right click download ).
EDIT - sorry I didn't see your last message about it failing to load, could you check the browser console for any messages?