A partial list of stages from Nintendo's New Super Mario Bros. U has been released onto the Internet. They seem to follow quite a typical pattern from 2D Mario games - worlds broken down into levels with mini-fortresses at half way and a castle at the end. Those pesky ghost houses are also thrown into the mix.

In case you're interested, here are the stage names released so far:

Acorn Plains
1. "Acorn Plains Way"
2. "Tilted Tunnel"

Tower: "Crushing Cogs Tower"

3. "Yoshi Hill"
4. "Mushroom Heights"
5. "Rise of the Piranha Plants"

Castle: "Lemmy's Swingback Castle"

Layer Cake Desert
1. "Stone-Eye Zone"
2. "Perilous Pokey Cave"
3. "Fire Snake Cavern"

Fortress: "Layer Cake Fortress"

4. "Spike's Spouting Sand"
5. "Blooming Lakitu's"

Castle: "Morton's Compactor Castle"

Sparkling Waters
1. "Waterspout Beach"
2. "Tropicial Refresher"
3. "Above the Cheep Cheep Sea"

Tower: "Giant Skewer Tower"

4. "Urchin Shoal"
5. "Dragoneel's Undersea Grotto"

Frosted Glacier
1. "Spinning Star Sky"
2. "Cooligan Fields"

Tower: "Freezing Rain Tower"

3. "Prickly Goombas"
4. "Scaling the Mountainside"
5. "Icicle Caverns"

Ghost House: "Swinging Ghost House"

Castle: "Wendy's Shifting Castle"

Soda Jungle
1. "Jungle of the Giants"
2. "Bridge Over Poisoned Water"

Tower: "Snake Block Tower"

3. "Bramble Jungle
4. "Painted Swamp Land"
5. "Deepsea Ruins"

Castle: "Iggy's Volcanic Castle"