Nintendo's famed plumbers head to the resort-like Pi'illo Island for real-world adventures and surreal dream exploration in Mario & Luigi: Dream Team. In true RPG fashion, gamers explore areas on the overworld map and engage in turn-based battles, all on a quest to rescue the perpetually imperiled Princess Peach and help Prince Dreambert remove a curse placed on his people by the bat king Antasma. Players will also meet a wide assortment of interesting characters and collect a variety of helpful items as they make their way around the island.  Some areas of Pi'illo contain special Pillow Portals that let Mario jump into the colorful dreams of Luigi, where dozens of smaller versions of Luigi can combine to help gamers reach new areas or defeat powerful foes. Players can also use their stylus to poke or tickle the sleeping Luigi on the lower touch screen in order to affect Mario's surroundings in the side-scrolling dream world of the upper screen. Giant boss battles return to the series, with gamers turning their 3DS in order to view Luigi in one screen and the large boss in the other, and players who get stuck can make use of a helpful hint system, or they can lower the challenge in Easy mode.