Mission Atlantis Island Guide


It’s a different world under the sea… but the ancient secret at the bottom of the ocean is beyond your wildest dreams.

For walkthroughs on Mission Atlantis Island, scroll down.

Note: Only Episodes 1 is currently available on desktop and mobile. For the full version, you can play it on Steam or with AS3 Flashpoint.

Released: April 17, 2014 (for members)
or May 15, 2014 (for all)
Common Room: N/A
Preceded by: Survival Island
Succeeded by: PoptropiCon Island

Resources on this page: Island Extras | Synopsis from Poptropica | Video Walkthrough | Written Walkthrough | Album Photos | Trivia

Island Extras: PHB Island Review | Official Tour | Videos | Champions Map 12, 3

Episodic Synopses

[Episode 1: Into the Deep] You took a simple job photographing rare sea creatures. But a stunning discovery leads you to a brand new mission!

[Episode 2: Fortress of the Deep] You’ve discovered something amazing at the bottom of the ocean! Now, you need to find a way inside…

[Episode 3: Out of the Blue] You’re on the verge of the greatest discovery in human history — but an ancient intelligence has other plans.

Video Walkthrough

For a written walkthrough with pictures, scroll down on this page!

Episode 1: Into the Deep

Episode 2: Fortress of the Deep

Episode 3: Out of the Blue

Written Walkthrough

Walkthrough and pictures by HPuterpop, Samwow5, & Brave Tomato
Special thanks to Pixel & Slanted Fish

Table of Contents

  1. Episode 1: Into the Deep
  2. Episode 2: Fortress of the Deep
  3. Episode 3: Out of the Blue

Episode 1: Into the Deep

Upon arriving on the island, you’ll find that a filmmaker named Cam Jameson needs your help! Cam needs you to shoot underwater scenes for a movie he’s making.

atlantis start

Click Start, and you’ll automatically go talk to him. He’ll give you his Sea Creature Files.


Open up the files, and inside you’ll find information and pictures for various sea creatures. Read the info carefully, because they’re clues on what to do. Here they are for reference (click to enlarge):

After reading the files, jump up to the top of the boat and talk to the guy with a beard and hard hat. He says you can’t get the key yet – but wait, there’s a bucket above his head! Get to it by scaring away the bird on the pole on the right side of the boat.


Now climb up. You can now jump to the ledge. Pick up the Empty Bucket!


Once you get the Empty Bucket, hop down and click on the octopus. He’ll squirt some ink into the bucket and you’ll now have a Bucket of Ink.


Climb to the ledge once more and use the Bucket of Ink while standing on the ledge. You will pour the ink all over the man with the key, and he will drop the key. You can then pick up his Key while he frets over his messy helmet.


Return to Cam Jameson (the director of the underwater movie), then hop over to the crate containing your “Bubble” submarine pod. Click it to open the lid, and then click once more to hop inside the sub.


Sea dragon

Once you are underwater, you can move around by dragging your mouse. The first creature that you need to find is the sea dragon, and it can be found in the area you’re at right now. He’s hiding in a patch of seaweed.

Make him come out by nudging him a bit, then click on him, and let your sub pod record some Sea Dragon footage. If he slips away, he’ll just be on the other side of the area, hiding in a bush.


Stone fish

After you film the sea dragon, go near the bottom of the area you’re in to go to the next one. This terrain is a little deeper, and whenever you hit a wall, the sound is outrageous, so be warned. 😉

The next fish you will need to find is the stone fish. He will be hiding on the bottom right of this area, but he won’t show his face long enough to take a decent video. Hide in the seaweed next to him and wait for him to come out. You can then discreetly click to film the Stone Fish without him even knowing (although he’s looking straight at you and you’re shining light into his face 😛 ).


Cuttle fish

After you finish that illogical scenario, float up a bit until you find the cuttle fishes’ hideout. There are multiple cuttle fish here, but you need to get footage of the rare purple one.

There is a problem, however, and your job will not be so easy. The purple cuttle fish only shows up in the red seaweed. There is only one purple cuttle fish, and only one red patch of seaweed. You have to guide it to the top, one patch at a time. Use the picture below if you need help on the arrangement of all the cuttle fish in order to snap footage of the purple Cuttle Fish.


Once you have him filmed, you can make your way to the left side of the area.

Barreleye fish

You will find a barreleye fish inside an underwater tunnel. (This thing looks like something from your nightmares!) You must clog various pipes in order to blow the fish along the tunnel and out the other side of it. The pipes are blowing out a strong gush of air, so don’t get near the front of them — instead, near them from the side and then click, moving your sub close enough to clog them.

Here’s a map with some arrows to help you out:


After you get some footage of the Barreleye Fish, continue to the next area.


Angler fish

You’ll find the angler fish about halfway down this area, hiding in a little cave. You won’t be able to get her to come out for very long, so swim around the area and collect tiny fish to swim around your boat. You need about 3 fish following you in order to successfully record the angler fish.


While collecting the fish, remember not to bump into the purple urchins that will scare away them away. When you’ve got about three fish following your boat, go back to the Angler Fish and let her eat the other fish while you record her.

(Note: the area left of this one is just an ad, and you don’t need to go there to complete the quest.)



Now return to the reef. When you get there, you will see an ultra rare Hydromedusa! The director encourages you to follow it in order to film it, so follow it into the next area.


The place that you end up in is a ledge leading to the deepest waters. The Hydromedusa will be floating above the pit. Make your way over to it and click on it to snap a picture. When you do, a gang of Hydromedusas will come over and shock your sub, making it lose its power, and you’ll fall into the deepest waters…


When you reach the bottom, you won’t be able to swim up because of the pressure. Slowly make your way to the right… and here you’ll make a huge discovery. It’s the mythical underwater city of Atlantis! You’re going to need a bigger lens to finish this expedition…


At this point, you will be awarded the island medallion for Episode 1 and be left with the mystery of Atlantis — what will you find in the adventures ahead?


Episode 2: Fortress of the Deep

Upon starting the second episode, you’ll find yourself entering the mysterious alien ship that you found in episode one of Mission Atlantis. Once inside, you’ll be blocked by a purple glass wall.


To get past the purple glass wall, ram your submarine into the wall until it breaks. You have entered the scene known as the alien area. Once you break the glass, you’ll find a strange glyph on the wall. Click it to get a snapshot of it. Continue right and you’ll find that there is a strange circular door consisting of three panels of icons: one with a shark, one with a jellyfish, and one with a puffer fish.


Shark area

Going up from the alien door area, you’ll find yourself in a dark and rather creepy place. Cam will acknowledge the creepiness and he’ll tell you that he has a feeling something bad is nearby. (You can pretty much tell what it’s going be by the title of this section.) Go around and break the glass, collecting at least 4 cute little fishies to travel along with. As you make your way up, suddenly, a shark appears in all of its scary glory. Now’s a good time to swim down!


As you try to swim down away towards the cage, the shark will eat some of the fish you lured with you, and when you finally reach the cage, the shark will be locked up and you’ll get your first energy source! Along the way, you’ll also see two glyphs you should snapshot and two puzzle key pieces. The two puzzle keys are hidden in two walled-off areas. One down, two to go. Use the photo below for reference (click to enlarge).


Hydromedusa area

The objective in this area is to connect all of the hydromedusa (jellyfish), which surround a glowing ball on the bottom left corner of this area, to outlets all around the area.


You can do so by moving close to the hydromedusa culmination, thus making one of them follow you. Lead it to one of the 6 outlets and then let it find its way to them. After connecting, the each outlet will unlock a different door in the maze. Inside, you will find more outlets (to connect the hydromedusa), glyphs (to take snapshots of), and puzzle keys (to pick up).

After connecting 6 hydromedusa, lead the last to the power cell in the bottom right corner of the area. You can use the picture below for reference (click to enlarge).


Puffer Fish area

In this area, you’ll be confronted with a pipe challenge — rearrange the connectors to make the pipes connect from one end to the other. You can then press the big red button on the right side of the page to suck a puffer fish through the pipes and into the power cell.


You may have noticed that there are two puzzle keys stuck in separate pipes — to collect them, rearrange the pipes once again to blow them out.

You also won’t want to miss the glyph in the bottom left corner of your screen – take a picture of it!


Assembling the Key

So now you’ve got all the puzzle pieces! Go into your inventory and “Assemble” the pieces. You will then have to lock into place each of the pieces until everything fits into a perfect circle. After assembling the key, close the window and go back to the alien door.


Once you get there, click the strange-looking seat next to the door.


There, you’ll place your circular key. Turn each ring of the circle until it matches each other. Then, using the mysterious glyph files, press the glyphs buttons in their proper order — see the picture below for reference:


Now, the alien door will open up, sucking your bubble sub into the unknown. As the story concludes, Cam receives a mysterious message in an alien language from an unknown entity. The episode concludes, leaving us to wonder about its identity…


Congratulations, you have completed Mission Atlantis: Fortress of the Deep! Hopefully whatever is on the other side is friendly…


Episode 3: Out of the Blue

After being sucked into the city, you’ll find yourself unable to contact Cam Jameson. Well, since we don’t want to be stuck inside an undersea fortress for the rest of our lives, we should find a way out.


Go to the right. And I mean all the way to the right until you reach the area just after the room with multiple weird cages: the laboratory. This will take you through the main deck. While in the main deck, you will receive a cryptic message. Continue right.


Once in the laboratory, go up one scene, landing you in the living quarters. Go around the sphere and traverse until you see a green button on the ground. When you click on it, a green power disk will pop up. It is your duty to push this green power disk to where it goes into – elsewhere in that certain area.

In this area, take the green disk up and around the large alien sphere in the center and you’ll find the power charging station. Push the green disk into it and you’ll be treated to a series of visions. You’ll swear you see a starship in the sky…dinosaurs(?)… and a rat? The mysterious messenger then contacts you with an alien message, and you realize that this person talking isn’t Cam Jameson. Okay then…

Now that you’ve activated that power source, you have to push the red button above you to get out the room. Go down and exit the area. (Use the picture below for reference – the red arrows are where you should go, and the green arrows are where you need to hit the disk.)


When you go down into the cage area, you’ll find a ginormous sea creature trapped in a cage much too small for him. (I don’t see that backfiring anytime soon.)


Go left into the main deck and you’ll find that you can push those red buttons in that area now. Go up and press the first red button you see. Go to the left and summon the green power disk by clicking on the green button again. Bringing the disk, go to the right, press the red button again, and go up. When you see the green gate, leave the the disk there (because there are lasers further up that disintegrate the green disk) and go up by yourself.

Push the red button up there and then go back down to the green disk. Take that disk through the path you just opened up and place it in that station. You’ll then receive a second set of visions, with an apparent science experiment gone wrong as the meteor that causes the extinction of dinosaurs pummels toward the earth.

The mysterious messenger will then talk about life support, leaving you more confused. (Use the picture below for reference – follow the red lines with just your sub, follow the green lines with the disks. Circles on the lines are where you start, triangles are where you stop.)


Now, go back down and go back to where you saw that ginormous creature in its cage. There’s just one problem: the creature has broken out. Well, this isn’t good!


Follow the path that the serpent opened up to you. After seeing peeks of it through the cracks on the wall, you’ll find yourself faced with yet another green button. In order to get past this one, you’ll need pretty quick reflexes.

Push the disk towards the right, towards the big hole in the wall, yet careful not to be too close yourself. When you see the monster come to collect a power disk snack, back away and let it eat the disk. When it closes its mouth, quickly speed past the creature and then you’ll find yourself faced with a red button. Press it and one of the gates will open up.

Go back to the green button and summon another green disk. This time, go around from the way you came into this serpent infested area and go down the newly opened path. Then push the red button and go downward again with the disk, where you’ll find the last power docking station.


Put the green power disk in and you’ll be treated to a last set of visions, featuring the spaceship seen before crash into the water, and it turns out to be a familiar silhouette: it’s the place you’re inside at this very moment. After that onslaught of revelation, you’ll find an alien sphere next to you power up and scan you, with the mysterious messenger requesting you to find it.

Follow the sphere out of the serpent area and then go back to where you had to push all those buttons. You’ll find that the door up there is unlocked. As you head on up, you’ll find a hologram of a galaxy, and you’ll rethink the possibility of this place being Atlantis. Instead, it’s something more sci-fi than fantasy…


Go through the originally closed off entrance and head on up. At first you think you’ll see someone there, but it turns out to just be a pile of clothes. You can keep them as a costume though.

Click on the panel next to where you found the costume, and it’ll recap all of your visions all at once. You put them all together and you find out that the aliens within this mechanism have been stuck underwater ever since the extinction of dinosaurs millions of years ago. Now that you’ve finally powered up their spaceship, they can finally go home.


Suddenly, the spaceship starts activating around you and you find that you have to get out of here, now. Go back down and go to the left where you started your adventure. You’ll beg the aliens inside the spaceship to let you go home too. Luckily, these aliens are friendly and are grateful for you helping them, so they teleport you away.


Meanwhile, back on the S.S. Medusa, it’s just like any other day on the ship… except for the giant spaceship that just so happens to fly out of the sea. The workers look on, aghast, as the spaceship flies off into deep black space.


You’ll be teleported back onto the S.S. Medusa, where you’ll find a baffled Cam Jameson wondering what the heck happened and being disappointed that he didn’t catch it on tape. Also, you’ll finally get the Episode 3 Medallion for Mission Atlantis. Congratulations! You’ve completed Mission Atlantis Island!


Looking for more walkthroughs? Check out our Island Help page! 🏝

Album Photos

These pictures appeared in a former feature known as the photo album.


  • Mission Atlantis Island is Poptropica’s 39th island. The first episode (Into the Deep) is was released to members on April 17, 2014, came to the iOS app on May 8, 2014, and finally on May 15, 2014 it was available online for non-members.
  • Mission Atlantis was re-released for Haxe on November 2, 2021 for members only, with only the first episode.
  • Mission Atlantis (full version) was re-released for Steam on May 25, 2022.
  • Mission Atlantis is the second island to have no common room, after Survival Island.
  • Atlantis is a legendary (but fictional) underwater city that has its roots in Greek mythology.
  • The name of the ship (which you land on when you first arrive on the island) is Medusa, which is the scientific word for jellyfish. The hydromedusan jellyfish at the end of Episode 1 bring you to the lost city of Atlantis.
  • The ship’s crew members bear uncanny resemblances to the construction workers on Super Villain Island.
  • Cam Jameson, the filmmaker you try to help, may be a reference to the film director James Cameron, who in addition to his work with movies such as Titanic and Avatar, is also known for his underwater filming.
  • The octopus who squirts ink for your bucket looks quite like the one in the marketplace on Red Dragon Island.
  • The sea creatures you encounter in Episode 1 all exist in real life – there are sea dragons, stone fish, cuttle fish (as noted in the files, they are actually mollusks – not fish), barreleye fish, angler fish, and even hydromedusan jellyfish.
  • According to this XML file on Poptropica’s servers, Mission Atlantis Island’s original name was Deep Dive.
  • Members would previously get an additional Diving Suit, Atlantis Drone Follower, and Puffer Fish Costume in the Store.

Are you ready, kids?

Aye aye, Captain!

176 thoughts on “Mission Atlantis Island Guide”

      1. if you give me your account I can help you complete all the islands I know, and I know 29.

    1. This really helped but you could have told us part 2 and 3 because i am am member and i am stuck on part 2

      Slanted Fish: As of right now, only Episode 1 has been released…

      1. I love this guide! It helped me soooo much!
        Thanks a lot!
        I appreciate the effort you guys made on all this, even though you must have so much work.

    2. Help! I haven’t been on Poptropica for awhile and I’m stuck on Misson to Atlantis episode 2! I think the only way out is to restart the island, but I don’t wanna have to do that! Plz help! 😦 S.O.S!

      Slanted Fish: If you just want to leave the island, click the blimp icon from the menu in the top right corner. 🙂

    3. Help me! I feed the green disk to the monster, but the second time, i cant push the green disk.

      Slanted Fish: Try logging out and then back in again, or playing on a different web browser.

    4. i dont know what you mean by press the hydroglifs botten and put them in a certain order i have no idea makes no sence!?!?!?!?!?

    5. For the last part of Fortress of the Deep, it won’t let me arrange the key to go on. What am I doing wrong?

    6. I was doign mission atlantis on my iPad and when I brought 3 fish for the Angler Fish it said “Almost got her, try more fish.” Can you help me out with this?

    7. Oh it helped alright! To me I needed I full hour to concentrate on this. it wont take you just 30 min. to complete it(if your me im slow C: ) but it was helpful 🙂 I Loved It! xD

  1. http://prntscr.com/3az7ul The resemblance is uncanny (well, the woman looks the most different, but still…)

    Mission Atlantis was alright… but I have a feeling it’s gonna go Twisted Thicket on us and have you want to keep Atlantis a secret while Cam wants to reveal it to the world…

    1. I agree with you on the secret thing. But I think it could go both ways. The director guy wants fame and glory so if he keeps it secret he can keep it hidden until the right time. But u, being the generous person u are, will want to share the secret with the whole world. 😀

    2. 😮 ! I also use Lightshot!!! I like it because, if you right click the image and select view image, you ca insert he pic with the url and you won’t have to use up your Media Space! I only have 3 GB storage, so yeah…

  2. there is a book character named cam jansen if thats what they are referring to when they say cam jamenson or whatever

  3. Why was I removed from helping with the guide? s:

    Slanted Fish: You didn’t help with the guide to begin with… someone put your name because they thought you were going to, but you didn’t, so it was removed.

  4. it said on the blog that this island would be open to all on Thursday and it is Thursday but i cant go on it

  5. Thanks a ton!! There was just one thing, at the end you said you have to go left to find Atlantis, you actually have to go right 🙂

  6. Love islands like this, I wish they’d give you more coins and make member things free for everyone! Like Costumes, the Closet, the Gold Card for members, All the Promo codes, All the pictures, and etc..

  7. This REALLY helped us a lot! Thank you, VERY much!

    ~✯popstar34912✯~ -known as: **Invisible Beetle**

    1. It doesn’t appear for every body. Shut your computer down,turn it back on and the glitch should be fixed

  8. Lol when the shark came out of its place I was LITERALLY screaming I thought I was gonna die XD XD XD

  9. Very,Very helpful! Thanks goes out to: Hp,slanted fish,samwow5,and pixel!I Couldn’t of completed the island with out this guide! Very helpful!

  10. Sadly, I’m a non-member so I can’t play this episode. 😦
    P.S when is this episode out for non-members?

  11. They have not said yet… Sorry… Keep checking the creator’s blog, I’m sure they will announce it at some point!

      1. I was trying to complete mission Atlantis when is discovered there was Thor’s hammer on time tangled island! Thor’s hammer is named Mjolnir[pronounced as Miyolnir].

  12. I am stuck on the bit where you press the buttons on the seat ( I think)during the last bit of Episode 2. I lined up the puzzle but when I press the buttons, nothing happens!!! I am playing using my iPad on the app. Please help!

  13. Awesome guide! (Although the hydromedusa challenge was really frustrating.)

    Also, my interpretation of the alien message:

    “Hello humans. Please help us. We are running low on supplies. This is our shopping list…milk, bacon, coffee, tea, bread, rice, potatoes, carrots, peas, broccoli, tofu, apples, bananas, oranges, durians, papayas and 20 dead cows.”

      this was me+ *heard music* *screamed fell off the chair hit my head cried for 5 mintues laughed tried again screamed hit the X button 100 times and laughed* Me – 2014

  14. I like how all the fishes on episode 2 shark area came to me cause their scared!They look so cute!!!!!!!!! But then they got eaten by the goblin shark :/

  15. The purple cuttlefish keeps darting between 2 patches of purple seaweed, and no matter how hard I try to guide it to the red seaweed, it won’t go there! I’m playing Poptropica on my iPad. Is this a glitch, or do you have to play the game differently on the iPad?

  16. That ending was kind of… anitclimatic. “Oh I wish we got that on tape” and then medallion. Okay…

  17. I know I’ve probably asked before, but I forgot, so I was wondering if I could use the picture of how to get the Barreleye Fish in a guide I’m writing? I’d gladly link back. Let me know please, thanks.

    Slanted Fish: Sure, just link back to this page – thanks for asking. 🙂

  18. Plz help me, Slanted Fish! So, I was in that big squid-y monster area and I fed the monster the first energy disk, pressed the red button, went inside the opened area, got back to the disc-spawning area, clicked the green button. The disc came out, but I couldn’t move it or push it or anything. I passed through it like a hologram. Plz help ’cause this is the last island I have to do before I finish.

    Slanted Fish: That sounds like a glitch – try contacting Poptropica for help. 😉

  19. Thanks for the guides, but just saying, I found this… uh, ‘trilogy’… there we go, trilogy… of episodes to be SO BORING!!!!!! Seriously, you’ve got this depressing boring music, a dark screen, not a lot happening, just dragging the mouse around… UGHJGHGBHBGHBORINGGG!!

    P.S: Feel free to add me my name is abcadz123 but my weird name is Fast Dragon

  20. i thought i was gonna be in the top 10 finishers of episode 1 and when i started the island,only 3 people finished i finished the island litteraly 20 minutes after it came and i dind’t even got close to the top 10 but i got in the top 100,ithink i finished 72nd.

  21. Can you help me out? After I solved the puzzle and typed the glyphs in the “chair” in part 2, my game froze and I had to refresh it. When I went back to it, it had already said that I solved the puzzles, and typed the code to get inside, but it wouldn’t let me in! Any thing you guys could suggest?

  22. Help! I finished it and I didn’t get the medallion. The man didn’t even say the thing about the camera! Help!

  23. This guide was a HUGE help for me! (Especially getting past that annoying fish that was eating me and my green orb!) Now I just need to do all three parts on the computer…….

  24. I’m stuck in the hydromedusa because I finished it and I’m stuck where you put the last one. The slidey thing closed and I can’t get through. What should I do?

  25. i have to say, the 5th glyph kind of looks like Finn the human’s hat from adventure time… XD

  26. Thanks for the guide!!!!! It really helped. Btw why did they make Atlantis look so…… Scary!

  27. god! it’s so hard to do the jellyfish thing! urgh!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    tips? or am i just bad at it? 😐

  28. I can’t get past the part in Episode 2 where you sit in the curved seat part and assemble the puzzle. I did all this, and the game made all the fancy noises when I aligned the puzzle correctly, but the door never opened. I can freely go into different areas, but tghe door never opens and I can’t get into Atlantis. Please Help!!

    1. the cuttlefish doesn’t have a cave, it is in the reef, in the purple coral. in the bottom right corner

  29. The puzzle on episode 2: What happened???? I honestly did exactly what the walkthrough told me to do and it won’t work

  30. So I’m pretty sure i did everything on the guide, but I’m still missing the bottom right puzzle piece. The inside bottom right, not the outside.

  31. Hey guys! I found a great hack!
    On the home island, go to the wheel of loot. Click on the man and he’ll say “Spin the wheel to get some loot!” But while he’s talking click on him again and he’ll repeat his words. Then you’ll get to spin the wheel, get some loot, blah blah blah. But the great thing is, right after you get your first pool of loot for the day, the glitch allows you to spin AGAIN! And you get the loot from the second spin too! The only way this won’t work is if you get “Grand Prize” as your second spin. Try it out for more extra loot!

  32. for part 2 i’m not able to turn the puzzle so that the door will open at the end. any time i click it my character says somethings needs to be charged

  33. was anyone else annoyed how at the end you did so much work to provide pictures, discover an underground city and the guy said something like ‘no one will believe us’ I feel like for this island you do so much work for nothing

  34. This is soo cool but I gave up anyways. How can you know all the steps to finish the island!
    The farthest I got was The Pelican Rock 😦

  35. slanted fish also new island idea: godzilla island
    problem: ghidorah is terrorizing poptropica you must awaken godzilla to defeat ghidorah from destroying all of poptropica!!!!

    reward: godzilla costume

  36. I love how you explained it carefully. when I finished reading I thought I was an idiot that was trying to make things go right.

    1. I believe it will only be for a membership temporarily. Back in the old days, all new islands were out only for members for the first month or so, and I believe they’re doing that again.

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