The game, a hit from Bally entertainment is already hugely popular in the casinos it is in. The format is a 2-in-1 slot, very much in the way that sex and the city slots is a 4-in-1 game. Each two slot screens is a classic 5 reel video slot, with wilds and bonus features, including a free spin bonus feature.

Grease slots has a great variety of Bonus rounds, which are randomly assigned to you when you hit the yearbook feature. When you get the yearbook apperception, you are asked to flip the pages and whoever game it lands on is the one you will play.