- 8 worlds Awesome
- expect level maps with branching paths, much like NSMB on DS Awesome
- mushroom huts for power-ups Cool
- mid-map fortress Well duh
- world-ending castle -.- of course there one
- split-second pause for all characters when one dies has now been removed ?
- plot: Mario is saving Peach, who has been kidnapped by Bowser Obviously
- eat hammer bros. hammers with Yoshi I Read that in the Official Nintendo Magazine, Cool
- rafts can sink if they have too many people on it, which is indicated by a number Good Feature
- roller coaster level with a coaster made of bones EPIC WIN
- start with 5 lives Good
- level will end if all 4 players die at the same time, even if other players have lives left Already new that
- tossing fire or ice attacks at your co-op friends doesn't hurt them Good
- tossing a barrel at co-op friends hurts them Competitive Time!
- Bowser, Bowser Jr. and the Koopa Kids are all enemies Shocked (finally, all the family together, just the mom left XD) Good
- tons of hidden paths and coins Cool
- there are a few special Toad-rescuing missions to save a toad. These missions will take place in already-cleared levels EPIC ADDITION!
- competitive multiplayer modes: Free For All and Coin Battle Cool
- Free For All: see who can get the high score Cool
- Coin Battle: collect the most coins duh!
- multiplayer levels include stages from the co-op mode, as well as new levels Cool
- one Coin Battle stage is a ghost house Cool
- boos return duh!
- another Coin Battle stage is based on 1-2 of Super Mario Bros EPIC!
I copy-pasted from another forum, but it did't had any source saddly