There are currently 130 specials offered for about 60 hotels
http://visitlasvegas.com/vegas/speci...=vegasHomepage
Best way to search the specials is look at the list view (below the card view) when you see a special you like, click on that special and it will be just above the list view as a card and then click that on.
The is the Las Vegas Convention and Visitors Authority website.