Help needed in translation!

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Yeah I think names and titles should rarely be translated. In most cases it destroys the atmosphere... sometimes it might be necessary - I assume most gamers would have been a bit confused by a game called "Wiedźmin" with a main protagonist called "Geralt z Rivii".
So I think there was more benefit than damage done by changing that to "The Witcher" and "Geralt of Rivia". Its also okay because its a fantasy world that doesn't take place in a specific real country.

On the other hand, I found it pretty stupid that they translated the names of some characters in Metro 2033. The game takes place in Moscow - why is there a dude named "Miller" running around? Especially since they didn't do it for all names, only those that could be translated.