Nice info.For now I supose I will not make my life more complicated and stick crushas kismet thing(enough for saving the player and some events).I think that the files of this game
https://forums.epicgames.com/showthread.php?972404-Links-amp-Content-Updated-UDK-–-Horror-Starter-Kit-Source-Code-(7-Days)
used the udn gem thing.Might take another look at it on how it works.Still i find that most udk games on steam dont have any save sytem at all.Some get away with having all levels available from the start and with a open comand you just teleport there lol.