Angry Birds Bad Piggies Level 21-13 Walkthrough

One strategy for Angry Birds Bad Piggies level 21-13 is to launch the first blue bird straight ahead, aiming at the first two vertical wood planks. Splitting very late should destabilize the left structure, and collapse. For our second shot, we aimed blue bird at the TNT. The resulting explosion should send the last tower crashing the right. The score in the video below is 91,820.

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Category: 08. Bad Piggies, Angry Birds, Walkthroughs
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Comments (39)

Rank: DaBomb with 255 points
By justnmar (@justnmar)Score: 96,360

96360

First BB high arc into the center structure and just left of the boulder, open at last moment. This should take out the dynamite, center and right structures. Second BB straight at the wooden vertical planks on first structure.

I think one birder is possible, on a few occasions using the strat above I was able to take out all three structures but that first pesky little pig wouldn’t bite it.

Rank: Fling King with 4530 points
By AustinRHL (@austinrhl)Score: 93,720

I got a one-birder on my very first try using this strategy. It was only for 93k, but I’ll take that – I had a devil of a time even three-starring this level initially.

Rank: Sling God with 28590 points
By MVNLA2 (@mvnla2)Score: 99,500

Video strat gave me 99500 and 2nd place! (For the time being.)

Rank: Sling God with 28590 points
By MVNLA2 (@mvnla2)Score: 99,500

So — @PlayDBird — Did you use the video strat also, just with more skill (or luck)?

Rank: Pig Leader with 10760 points
By PdB (@playdbird)Score: 101,570

Actually @mvnla2 I did something very different. I shot the first blue bird high and into the middle of the structure, attacking the low building with the glass roof. I think justnmar (above) was basically outlining the same strat. I got that score the day the update was released, so I can’t recall if I got a one birder or if I needed a second.

So, I think it was a combination of a different approach and certainly some luck. I’m surprised the score has lasted this long.

Rank: Out of this World with 2535 points
By Nardles (@nardles)Score: 99,390

This level can collapse by itself, making a “0” birder theoretically possible.

Rank: Fling King with 4000 points
By Dr Dave (@dr-dave)Score: 102,520

I used a high arcing shot descending onto the pig on the first glass roof. I split the birds just prior to contact which sent one bird through the glass taking out the bird on the ground under the first roof. The middle bird hit the pig and the right bird broke the next pane of glass. This destabilized the structure and it all collapsed to the right, taking out the rest of the pigs. Voila, a one-bird-solution and a high score (so far).

Rank: Avian Overlord with 16440 points
By burbman (@burbman)Score: 102,950

Self collapsing structure left me one shot at the far right side. I can see this level falling completely with the proper amount of luck. This was the third time I have had the level fall by itself, but the first two I already had the first bird in the air. I expect to see scores in the 110k+ range soon.

Rank: Sling God with 45310 points
By Kathy (@kathy)Score: 94,710

@Burbman how long after restart did it take to collapse?

Rank: Avian Overlord with 16440 points
By burbman (@burbman)Score: 102,950

@Kathy it does not take very long to notice significant movement. Maybe thirty seconds or so. Then just wait for everything to settle before shooting at what is left. I cant give much in the way of direction here because the debris pilecould be very different between attempts. You have been doing this for a long time so I am sure youwill do ok!

Rank: Sling God with 45310 points
By Kathy (@kathy)Score: 94,710

Thanks @Burbman I’ll give it a shot of patience lol
The unstable levels i usually don’t have the patience to wait..because I’m usually short on time and just want too fling , not stare at an unmoving screen,, but,30 seconds i can Handle lol:)

Rank: Sling God with 67720 points
By wrw01 (@wrw01)Score: 101,830

I did the same strategy using the self-collapsing structure burbman. I had the left side fall into the right at least 10 times that I kept track. Scores ranges from 14,380 to 68,510 without fling’n a bird. Most of the time there were 3 left bottom pigs and the one pig above the tnt remained. The last time with 68k, the left two pigs remained. The left side’s wood and glass vertical planks seemed to start the the collapse.

Rank: Gold Flinger with 9485 points
By to mock a mockingbird (@vuelva)

got such several such partial self-collapses as well, the best one yielding 81k with only the leftmost pig left, but unfortunately it was hopelessly blocked by the brick just above it. although that brick often gets stuck somewhere in te narrow shaft, when falling to the left, sometimes it doesn’t so 117k should be possible (88k with 3 birds bonus).

thusfar my best score is 106.5k after a partial self-collapse of 70k+ that didn’t affect the left structure (and was also not optimal wrt the middle and right), leaving only that left structure to take out with a 1st bird as in the video.

if there’s substantial movement, but no self-collapse, it still seems to increase the chance the structure collapses to the right after the 1st, possibly generating a 1-birdie.

Rank: Sling God with 22435 points
By Pauliboy (@pauliboy)Score: 97,360

I wonder if the self collapse has been fixed in a recent update? I have returned to Bad Piggies levels to improve my scores and no sign of any collapse on this level (platform = iPad).

Rank: Master Slinger with 5280 points
By Danno820 (@danno820)Score: 106,870

Pulled a one birder. First shot just like the video. Got lucky. Chain reaction took the whole thing down.

Rank: Sling God with 28590 points
By MVNLA2 (@mvnla2)Score: 99,500

Please post any more details about self destruction in forum:
https://www.angrybirdsnest.com/forum/discussion/comment/76760#Comment_76760
Has anyone seen total destruction?

Rank: Champion with 3300 points
By ohforfive (@ohforfive)Score: 96,060

The lack of collateral damage is killing me. Each structure is determined to have it’s own separate shot and on the rare occasion where the 3rd tower falls with the overhead shot taking out the middle tower and the first tower is destroyed with the second shot, the overall lack of destruction yields a 2 star score. Very frutrating. I was lucky to get the one 3 star score that I did. I’ll keep trying for a while, but if my score is still 90260, then I didn’t manage to improve.

Rank: Champion with 3300 points
By ohforfive (@ohforfive)Score: 96,060

Finally hit the lucky overhead shot that took everything down. I’ll take it and move on!

Rank: Master Slinger with 5940 points
By 78RPM (@78rpm)Score: 90,070

Had 89980 three times. Now that was some seriously frustrating! Finally got the three (barely) and am going to leave it for a while and come back later for a maybe better score.

Rank: Master Slinger with 5940 points
By 78RPM (@78rpm)Score: 90,070

I’m having a lot of fun with this game but I’m sure not scoring very well!

Rank: Gold Flinger with 9940 points
By kimmiecv (@kimmiecv)Score: 98,200

Oooh it’s like I dropped off the ABObp game as of now!! I know what happened @Kathy! I kept playing and you went to WW! After I hit level 15 I jumped over to WW to play the advent with you!! DUH! I remember now!! :)

Rank: Sling God with 45310 points
By Kathy (@kathy)Score: 94,710

Oooh yes @kimmiecv that’s right..lol:) you kept going i was going to also but got caught up in WW course of the lotd..that’s why i got stuck there now i remember:)

Rank: Gold Flinger with 9940 points
By kimmiecv (@kimmiecv)Score: 98,200

Yep! I didn’t know at first that you’d started WW so I was hitting ABObp until I popped over there and realized you’d gotten sucked in, then I got sucked in too!! LOL But it was worth it! :)

Rank: Sling God with 45310 points
By Kathy (@kathy)Score: 94,710

@kimmiecv i don’t know what the heck I’m doing wrong here:( followed video to a’T’ no matter, no results no 3 stars…arghhh!!! Only 88k
Sorry slim WWwwwhhhiiinnneee!!!!!

Rank: Gold Flinger with 9940 points
By kimmiecv (@kimmiecv)Score: 98,200

Oooohhh yeah I remember this one @Kathy! It bites!!! I could never get the collapse that happens to work for me! But I can’t remember everything I did! :/ I know it was sheet luck that got me this not so great but at least over avg score! I keep thinking I hit from front to back and it took 2 birds. That dumb bottom small pig in front never died! A brick would fall and protect his bacon butt!! :/

Rank: Sling God with 45310 points
By Kathy (@kathy)Score: 94,710

Yep @kimmiecv that’s what keeps happening that horrible stubborn little not even big e enough to be pork bite!!!!

Rank: Gold Flinger with 9940 points
By kimmiecv (@kimmiecv)Score: 98,200

Ok @Kathy I’ve been playing this one again for a few oh HOURS!! And although the collapse has not helped once so far, I was able to get 94+k and 96+k both enough for above avg. look at the marble where the birds are flung, you’ll see two little pebble like shapes, I aimed kinda between those but more to the one closer to the sling, then split them after they start coming down so the first hits the left most glass, the middle hits the glass with the pig under it and TNT and the third hits the little piggie next to the last structure. The first structure went left both times and both those pigs on the left pop. Then aim your next bird towards the middle and last structure, if it hits right the middle pig and TNT blow and the last structure falls right killing those piggies and depending on the debris you get you could easily get over avg. I hope this helps!! :)

Rank: Boss Hog with 13425 points
By luvtub (@luvtub)Score: 96,230

This level is evil incarnate.

Rank: Pig Leader with 10660 points
By bastieroxxor (@bastieroxxor)Score: 107,740

A “bad” 0-bird strategy resulted 107k for me.

But this scenario for 117k is better:
https://www.angrybirdsnest.com/members/bastieroxxor/album/picture/3092/
because the left part is more difficult to self-collapse, unfortunately I was unlucky with the right part..

Rank: Sling God with 35795 points
By Dr O'Neski (@steviep147)Score: 103,150

For me, the self-collapse is pie in the sky! I got my present score 103k with a 1 birder. High arc into the structure above the TNT, splitting at last moment. TNT exploded, left structure toppled to the right and that was that! Curiously I had tried this strat many times without any success then it actually happened twice in succession. First time the first small pig survived. Weird!

Rank: Avian Overlord with 16080 points
By crash (@tmax)Score: 105,000

so i went back to this level cuase girlfriend was playing it…. wasn’t paying super close attention as my high score was only 90k before this happened….

I flung blue bird really high, with the intention of simply breaking the glass on the left side that has the tiny pig below it. (This piggie gets blocked off a lot of times with stone and/or wood so i was just trying to kill it first off…. the split went nicely spread out and what i was trying to do got done…. the other two birds i’m not sure where they hit but i think one may have broken the glass on the far far right , the one that sticks out ….

things started collapsing slowly, and didn’t ever stop until i hit 85,000 even… got the bonus 20k and bam! there you go…. this seems fairly repeatable although you might need a bit of luck to get it in your first several tries. Like i said, i had no idea i was going to one-bird it…. if my strategy is different then anybody had mentioned above then great, otherwise props to whoever may have mentioned it first…. good luck !!

Rank: Avian Overlord with 16080 points
By crash (@tmax)Score: 105,000

i don’t think it has been mentioned, so if whoever is in charge wants to color-code it as “new strategy” then that’s fine by me…. thx

Rank: Sling God with 32330 points
By asher (@asher)Score: 107,630

I got so tired of waiting for the hypothetical good self-collapse that I decided to look for an alternate one bird strategy.

So here it is, fling high and split at the right moment like this: http://angrybir.de/IIlFIz

The goal is to break the two horizontal glass floors with the first two birds and hope for the best.

Here is the resulting damage for my highest score: http://angrybir.de/IIm1Pm

It’s not an easy shot and a lot of things can go wrong but it’s much better than waiting for a self-destruction.

Here is the highscore screenshot: http://img837.imageshack.us/img837/2710/8nnm.png
(I had to use ImageShack since I have reached the maximum number of images in my ABN album ;-))

Hope it helps.

Note to myself: when reading the comments, forget about the partial-3-minutes-minimum-self-collapse-then-one-birder and do something with your time, like reading the crash (@tmax) comment instead of waiting, and waiting…

Rank: Sling God with 44700 points
By comex666 (@comex666)Score: 107,020

many thx @asher
again and again cool pictures, great details and good strats.
here a video with 105k:
https://youtu.be/wRu8eMFZ_94

Rank: Boss Hog with 13245 points
By jim3993 (@jim3993)Score: 103,370

After losing patience for a self-collapse, as well as trying the a high arc split suggestion a couple hundred times, I got a killer score in an act of frustration: I simply aimed bluebird, with an almost horizontal trajectory, toward the top-most horizontal ice slab of the first structure. I split at the last moment. One of the b-birds fell through the left-most ice to kill the bottom-left pig, and the first structure slowly leaned down onto the middle structure. With the help of the boulder, the ice above the tnt broke and blam. I don’t think the tnt necessarily caused the the right-most structure to collapse; this was I think mostly due to the continuing lean of stuff from left-to-right. The right structure particularly pulverized, including the golden wrench.

Rank: Avian Overlord with 15905 points
By Ladybird (@diannas)Score: 106,770

I think Rovio fixed the self-collapse, hundreds of flings and not one unsteady sway.

For this level I used the high arch as mentioned above serval times. Just had to find the right angle for one bird clear.
I sent the bird almost vertical, pull down to about the 7:00 position to launch, then split as the bird is coming down and spreads out enough for the bottom bird to break the vertical glass on the left structure, then middle and top blue bird get at least the middle vertical glass with boulder or the glass edge of the far right structure (best if you get all three!). Even if only one target is hit, wait to see the fall out, if structures lean on others.

I found this angle gave me a better repeat chance for a 1 bird score, I was only able to get over 100k with one bird.
Got 107k+ With one bird using this method.
Takes a lot of flinging, but hopefully it will happen sooner than later.

If you don’t get a good one bird from this, you can throw the second bird in the same way to,try for at least a 3 star score
2 birds would usually give me 90k-99k.

I hope this helps someone!
Happy flinging

Rank: Avian Overlord with 18055 points
By jrsquonk (@jrsquonk)Score: 108,730

108730/1. Pretty much the @asher strat. The secret is splitting while the bird is still going up.

Rank: Avian Overlord with 18055 points
By jrsquonk (@jrsquonk)Score: 108,730

Splash screen: https://www.angrybirdsnest.com/members/jrsquonk/album/picture/30229/” class=”album-picture-text-embed”>AB 21 13 Splash.jpg

Rank: Avian Overlord with 18055 points
By jrsquonk (@jrsquonk)Score: 108,730

For some reason, I can’t get the damage screenshot to upload.

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