Out of the seven pac-man games, two where 3d. Names,
3D-man
Zap-man
And try and find a website for "Hemmings games". I think there working to relaunch pac-man. Also
http://www.jomedia.de has a game called jo-pac that is an advanced version of pac-man, Thats a bit like the first 2 Abe games, 3D scenery.