Adventure game engines?

Hey guys,

Does anyone know of any fairly robust engines which are made for the purpose of creating adventure games? I.E. stuff like King's Quest and Leisure Suit Larry?

My friend pointed me to this:

http://www.winagi.com/

But is there anything more robust?

Thanks!

PaC-DK
http://www.adventure-creator.com/?page=news&lg=e

WinterMute
http://www.dead-code.org/index2.php/en

Adventure Game Studio
http://www.adventuregamestudio.co.uk/

Great! Thank you so much!

Wintermute is really good - developer is friendly and helpful too.
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Yoko - nice finds, I'd never even heard of Pac-DK.

Bukky - all the screenshots on your "buy games" page are broken.

SpaceAce