Episode 1 - http://www.omigame.com/files/00970-professor-xyz.php
Episode 2 - http://www.omigame.com/files/01227-professor-xyz-2.php
Episode 3 - http://www.omigame.com/files/01215-professor-xyz-3.php
Episode 4 - http://www.omigame.com/files/01214-professor-xyz-4.php
Episode 5 - http://www.doodoo.ru/games/1563-professor-xyz-5.html
Episode 6 - http://www.doodoo.ru/games/1564-professor-xyz-6.html
Episode 7 - http://www.doodoo.ru/games/1737-professor-xyz-7.html
Episode 8 - http://www.doodoo.ru/games/1738-professor-xyz-8.html
Episode 2 - http://www.omigame.com/files/01227-professor-xyz-2.php
Episode 3 - http://www.omigame.com/files/01215-professor-xyz-3.php
Episode 4 - http://www.omigame.com/files/01214-professor-xyz-4.php
Episode 5 - http://www.doodoo.ru/games/1563-professor-xyz-5.html
Episode 6 - http://www.doodoo.ru/games/1564-professor-xyz-6.html
Episode 7 - http://www.doodoo.ru/games/1737-professor-xyz-7.html
Episode 8 - http://www.doodoo.ru/games/1738-professor-xyz-8.html