http://answers.unity3d.com/questions/153552/if-deadcheckpoint-and-reset.html
How save no only Player position,and all changes.
Example:
Save,that cube change position,and script lives change int lives to 1…
I suggest to take a look at PlayerPrefs. With them you can store ints and other data, and then read them later when you need them. That’s what I use for saving unlocked levels and money. Read the docks carefully so that you understand them 
Oh, and I think there’s already many topics about this savegame system. Next time use a little time searching, ok? Good luck!
How make a soubor (as in http://answers.unity3d.com/questions/153552/if-deadcheckpoint-and-reset.html)