It takes the average bachur, who would much rather do other things then gemara, and the program challenges you to chazer over and over again the bikius masechta, until it’s so fluent that it’s sweet.
Right away, every day you have to chaser that days gemara three times. For Shabbos and Bein Hazmanim there’s a big “kiddush” with food, and each bachur makes a kabala how much he’s going to learn. Also, every once in a while there’s a retzufas seder (chazering for a certain amount of time straight).