According to Template:Ratings 1up=/1up_source= should be used for ratings of a North American (well known) website, though it's used linking reviews of a French site which I've never heard of before (1up-games.com). I'm unsure if we should create "1upfr" or simply erase these.
digitalpress=/digitalpress_source= is used both for the website and a newsletter or whatever (apparently related to "VideoGames & Computer Entertainment"). What should be done about that?
The ratings on this magazine oddly go from 0-12, not 0-10. It seems to have changed at a certain point also, which I didn't take the time to check yet.
"Power-Wertung" means "Power-Rating", aka the overall rating