Who will be the dominant player today and who will play a more submissive role? Only the envelope can decide Fifty Days of Play has 50 secret envelopes that progress through 5 levels of play. ranging from intimate moments together. through stimulating scenarios. to erotic surprises. Not only can you use the envelopes as part of this game. you can sneak envelopes into your partner`s purse or wallet as a naughty surprise that is waiting for them to get home. On a weekend away why don`t you both randomly choose a few envelopes and use them to fill your time away with erotic ideas? Fifty Days of Play is a versatile game for you both to share whenever. and however you like.