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Unlock Worlds cheat for New Super Mario Bros

Unlock Worlds

Unlock World 4:
Defeat the Boss in the last castle of World 2 as Mini Mario.

Unlock World 7:
Defeat the Boss in the last castle of World 5 as Mini Mario.

Unlock World 8:
Defeat the Boss in the last castle of World 6 as Mega Mario.

Added by: Sanzano
Mar 26th 2010, ID#13334 | REPORT

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Comments for this cheat.

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53 comments, latest first.
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Aug 5th 2015 Guest
The world cheat code doesn't work I tried it and it still opened world 3
ID #594042
Feb 2nd 2015 Guest
i know
ID #510860
Dec 6th 2013 Guest
I would never of been able to defeat new super Mario bros without game cheats! Thank god for game cheats! wahoo!!! Smile now im gonna go defeat the game right after my ds gets done charging! (haha and im really not kidding
ID #325859
Jul 7th 2015 Guest
ya ikr I cant believe I found these cheats!!!
ID #581240
Apr 19th 2013 Guest
I can get none of these cheats to work I can not open the extra worlds not 4 or 7 and I have done all these cheats someone help
ID #275764
Feb 23rd 2013 Guest
For those of you who, in the w8 last castle, are running out of time because you just do the same thing over and over, you have to go on 1 the bottom slot, 2 the top slot, 3 the middle slot. After that it will bring you to bowser junior and giga-bowser.
ID #257785
Feb 1st 2013 Guest
ID #248573
Jan 2nd 2013 Guest
how do you get world 4 and 7 unlock plz help
ID #234452
Dec 30th 2012 Guest
Question:ID #114405, by Guest:how do u beat world 2 castle to get to world 4 or 7?

Answer:beat world 2 final boss as mini Mario

P.S:I am Awesomedude172 on roblox!Look me up on the "people" list and click on me.I will be wearing jeans and a blue shirt.Go to my place!(on Roblox)
ID #232205
Dec 27th 2012 Guest
i can't get pass world 6-4. i try runing after u hit the red thing to make those 2 red blocks. when u get on them u can't jump high enough. i try mege mario he just broke the red block. i just keep run out of time try to jump. and also my world 4 and 7 are not open
ID #229495
Nov 30th 2012 Guest
[color=red][/color] i cant get passed the first leval i world 8
ID #213910
Nov 11th 2012 Guest
I just can't get to any of the worlds that are blocked, in world 3, do I have to just jump on the monster, or just pound him with a cannonball when I'm a mini?
ID #207827
Sep 29th 2012 Guest
Stuck in the last castle in world 8. Get to a point where I run thru the same thing over and over if I turn around I see the beginning of that room, usually run of out time cause it's just repetitive lol ANY HELP WOULD BE GREAT THNX!
ID #190156
Aug 26th 2012 Guest
cest tout sinple mario bros on dirait quon est entrain de jouer au barbie

ID #180227
Aug 8th 2012 Guest
Can someone please tell me how to unlock W3-4?

Thank you
ID #173822
Jul 26th 2012 GumballMario75
Do you have the problem with World 7 that when you complete 7-6, it just takes you back to 7-4?

Use the Bob-ombs to try and explode the blocks that are blocking the pipe, OR use a Mega Mushroom to crush the blocks. Then when you reach the red flag, you'll enter World 7-A. When you complete that course, you'll move on to the castle. Then you'll battle LakithunderSpoiler:
click to reveal
. Ta-DA! You've beaten reached the end of World 7!
ID #168778
Jul 23rd 2012 Guest
How do you get to level 7-7. I can't for the life of me figure it out. Help would be greatly appreciated (:
ID #167781
Jul 19th 2012 Guest
how do i get to world 3-B & 3-C UGH!!
ID #166242
Jun 23rd 2012 Guest
I need help getting world 4 and 7 ?? :(
ID #156080
Jun 4th 2012 Guest
I am looking to get into the extra worlds on world one and two can you help me?
ID #148913
Apr 16th 2012 Guest
ID #134162
Mar 1st 2012 Guest
whats the point doing nothing aswell at least try.
ID #119513
Feb 28th 2012 Guest
Hi...I am 7....I have made a video to warp from world 5 to world 8....I will post more later....come check it out.
ID #119016
Feb 18th 2012 Guest
ID #115936
Feb 12th 2012 Guest
how do u beat world 2 castle to get to world 4 or 7
ID #114405
Feb 10th 2012 Guest
Yeh it is frustrating. I have tried but then eventually done it. Just keep trying
ID #113647
Nov 12th 2011 Guest
How do you get a mini blue mushroom to stay in your lower box? :|
ID #86823
Oct 10th 2011 Guest
i can not im stuck on the 1st castle of world 8 can you help im sufering help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! pleas help me pleas.
ID #79506
Aug 24th 2011 Guest
please tell me how to open up world 3-4, I have no idea what I'm doing, although I have managed to get through to world 8. Please help!!!!!!!!!!
ID #69679
Aug 9th 2011 Guest
You need to have a mini mushroom (blue one) on the bottom screen of your ds.
Enter the boss with fire balls. Hit him a few times, (twice) but before he dies you have to hit the blue mushroom on the bottom of your ds.
Get the blue mushroom, and this turns you into tiny mario. Jump on the bosses head once, but you have to jump on top of him and press down when you're in the air to pound his head. (normal jumping won't work).
Once the boss is dead, there is a little passage in the floor to allow you into worlds 4 and 7.
ID #65407
Aug 7th 2011 Guest
Oh But When I Do It Its Not Working Any Solutions??????
ID #64845