Earlier this year, Danny posted an image of a slumber party. Regrettably only one low resolution picture was posted. Recently, I happened to chance by not only higher resolution of the same pic but also a whole series of photos as well. Enjoy. ^^;
The girls are playing Kurohige Kiki Ippatsu (黒ひげ危機一発) aka pop-up pirate. Gameplay consists of inserting plastic swords into slots in the side of the barrel. One random slot will eject the pirate and end the game.