New Super Mario Bros.

[PaperStriker]

How do I unlock the warp cannon from world 4 to world 7?

Search for the 2nd exit in the ghost house.
BTW I have collected the last star coin MONTHS ago.

 

[Maka]

Just got a 100% file. :D

 

[maledict]

I don't know, maybe the star cons search help you out

They don't. I completed the game 100%.

MII too XD, but it was hard

 

[Andre Zoio]

nintendo should post extra difficult levels for download

 

[Snowstalker]

Finally beat world 7.