Level 4-21 Walkthrough for Mighty Hoax in Angry Birds

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This is my walkthrough for the Mighty Hoax level 4-21 for the iPhone game Angry Birds.

You can get all three stars in this level by only using four angry birds.

wpid 4 21 Level 4 21 Walkthrough for Mighty Hoax in Angry Birds

  1. Aim the first angry bird at the top vertical stone block. It wont do much damage, but will start to tilt the structure.
  2. Aim the second angry bird at the same spot as the last bird to tilt the structure a little more.
  3. Aim the third angry bird at the same spot and it will smash through and cause the tower to collapse and smash three pigs.
  4. Aim the fourth angry bird at a tricky angle (right at the top of the helmet) in order to get the last four pigs.

If this strategy worked for you, or even if it didn’t, please leave a comment below and let me know.

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37 Responses to Level 4-21 Walkthrough for Mighty Hoax in Angry Birds

  1. dawnlaynette says:

    Thanks, ur tips helped me to kill those nasty green piggies at level Mighty Hoax 4.21! Appreciate the help!! Hope u r having an awesome night :-)

  2. Amanda says:

    On a lighter side, the contractors for angry birds should build houses, you would never have to worry about a tornado or flood again! :)

  3. erianthe says:

    used the left jutting stone tecnique- 3 stars:) Thanks for the discussion- I was stumped.

  4. Ginger says:

    Oh, let me clarify– trying to get 3 stars was my goal, not just clearing the level.

  5. Ginger says:

    I have been struggling with this one for days! Tried all the suggestions I could find, many, many times…. finally had success with only 2 birds and a score of 110730!!!
    The one that worked– toppling the whole tower and taking out ALL the birds on one go– was attacking the underneath side of the protruding stone on the left side.
    The REAL trick isn’t so much the aim, as speed– throwing those two birds AS FAST AS POSSIBLE, one after the other, while the tower is still rocking.
    Blam!

  6. Rupinder Singh says:

    heyy give me tips how to cross d poached eggs 3rd level 6th part pls ………reply fast

  7. NameUnknown says:

    I attacked with the very top four times, it toppled over and killed all but the last three, which I used a step angle to get the rest.

  8. AKrider says:

    OMG! Craaazy’s hint worked! 0.0

  9. Kate says:

    I don’t know what steroids your birds are on, but I’m telling you it’s impossible to do this level in four birds.

  10. CassieXOXOXO says:

    It worked but I also tried knocking the top off and I only used one bird!

  11. Rich says:

    What a load of rubbish the tower falls the other way try including a vid to show exactly what to do

    • Seanette says:

      I’m having a bad run with the tower only falling left, which doesn’t help. That’s on the rare occasions I actually get it to fall. That was NOT nice of Rovio to only use yellow birds on a nearly all-stone structure.

  12. Kathy says:

    I try to get to the walkthroughs for mighty hoax level 5 and I just get an ad what’s up?

    • tim says:

      Try searching google for angry birds 5-1 and see if you can get to it. Sometimes the caching and the mobile theme don’t play well with each other.

  13. Craaazy says:

    I found that it works better if you hit the left triangle of the top part of the tower, twice, The whole tower falls and kills almost all the pigs. ;)

  14. Jordan says:

    The method worked perfectly for me. I got it first try. I was short a few points and only got two stars but all that matters is that is works!!!

  15. David says:

    Thanks for your information from Barcelona!

  16. Louis says:

    I tried Tim’s method but never got it right so decided to try the other one in the comments. Worked a lot better.
    So you have to shoot the rock bar that points towards the left, twice or 3 times rapidly to get the whole tower to fall and kill as many pigs as it can. Sometimes, you’ll get all but the far right one. It is then easy to send one bird to kill him.
    Finally, I had 2 birds left, 3 stars and 89k+ points.

  17. debra says:

    Oh boy, this one was fun.

    I too was using the upper triangle & eventually got all of them with 2 birds. But it took a long time.

    Trying to hit the bottom or top multiple times didn’t work for me. The concrete came down, the wooden beams were leaning, the top was off, the damn thing wouldn’t fall!

    But thanks anyway Tim, I always find something good here.

  18. Koda says:

    this approach is tricky however achieveable i took on board the hint that SW posted abou the triangle to topple the tower incorporating that method i was able to take out more pigs with fewer birds… thanks keep it up it takes patience to be able to get the exact spots that are needed to clear this level…
    Thanks heaps!!!

  19. Jake says:

    dude everytime I look @ ur website I fail w/ ur method but when I do another website it works so stop bein a fail

  20. Alexis says:

    This didn’t work for me, it always made the tower fall towards the left instead of the right. Aiming at the triangle wood part of the tower worked great though.

  21. Bani says:

    Thank you! thank you! I couldn’t finish this level. 3 stars achieved.

  22. SW says:

    2 quick birds at top left triangle. 1 high arc to take out remaining 2 at far right Score 103860!!!!

  23. Justguessing says:

    Very helpful. Got the tower crashing with 2 birds at the top of the column which took out the first line of the pigs and a low arching bird leveled the rest.

  24. KB says:

    My third angry bird left an extra pig but a low angle shot over remnants got all 3 pigs at far right and another low angle shot. Got the last 2. Took 5 angry birds and a week and a half but got 3 stars with 85430 points (Android phone)

  25. Thiago says:

    I´ve done it with two birds !!! If you hit the left triangle stone in the top of the tower, and hit it again fast enought with the second bird it will fall and kill all the Pigs :o) … Good Look . Score : 109960

  26. Tony says:

    I had the entire tower leaning after three birds. The landed the fourth and the entire tower fell intact and wiped everything out. 3 stars.

  27. Ewen says:

    Thanks this worked after a few tries, the block tumbled after two hits on one attempt so you could do it in one less bird as well

  28. Kristina says:

    This method does not work, at all

  29. Kenneth says:

    This method worked for me after only a few tries. I tried getting 3 stars on this level for several hours using a different method, but I could only get 2 stars. My method was hitting the top of the tower on the right side but putting a very high arc on the first bird, which would often cause the blocks on top to tilt over. But this left most of the tower standing and 5 pigs still to take out.

  30. Andrew says:

    I found that I could clear this level by just aiming all the birds at the square block at the top of the tower. It takes all the birds to do it,but each time it wobbles the tower a bit more until the whole tower falls over taking out all the targets in one hit !!

  31. johnny5 says:

    Doesn’t work worth a damn. Maybe one or two pigs die after the tower falls. Revise it

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