[Faceman]

LucasArts adventures that actually have voice-acting normally do have a decent German voice-set.
However AFAIK this would apply to Day of the Tentacle only in this box.
Indy3+4, Monkey, Loom, ManiacMansion and Zak I know for sure were all from the pre-voice era.
With the Indiana Jones Desktop adventures and Sam&Max I'm not sure.
Day of the tentacle had voice-acting during the intro in the disk version and full voice-acting in the CD-ROM version.

And yes, German pronounciation is very logical, but so is English and French.
However I agree, that there with these two you have to go deeper into grammar to get the system.
Care for a small joke?
what does this word mean?
"ghet"
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.
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"fish"
- "gh" as in enough
- "e" as in be
- "t" as in nation
.
However, if you have a little philological insight, you'll notice that the pronounciation of the single letters does not match exactly and of course you'll know that correct pronounciation also depends on the position of letters in the word and on their neighbouring letters.