Month of Sex Games for Couples from Little Genie Productions. New for 2014, Available Now! Month of Sex 30 Day Activity Calendar. How to Play: Alternate days, assign the weeks by him or her, or simply take turns opening the doors to reveal your next behind closed doors adventure. Contents: This calendar contains 30 days of exciting sexual activities and romantic adventures. It is up to you and your lover to unlock the doors and then perform the activities as listed on the cards.