Begins with letter <Z>

ZephyrPalettes 1.3
2-130-3186163

ZipIt
v1.3.5
SN: JQRLYIFB

ZipQuest Pro 1.0
SN#A 10392, Reg#B-143385261

ZipZapp+ 1.0
57-300113

Zounds  (All versions)
ZND100AAC00000450

ZPC  vCD
You can jump to any level by holding option-cmd when starting a new game.