Colony Flow Level 571 Walkthrough Solution & Guides | How to solve Colony Flow 571

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Guide By Liam Stone

Updated on August 1, 2026

The Level 571 walkthrough plays out in full in the video above, so skip the article if that works better for you.

Colony Flow Level 571 solution & walkthrough

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Welcome to Colony Flow Level 571. You are going to love the beautiful pixel art in this puzzle. The board features a detailed angelfish surrounded by bright blue water. I enjoyed figuring out the exact sequence to untangle the messy tray in this level. The puzzle demands careful planning because the tray is loaded with locked blocks. You need to gather specific keys from the board to open those locks and keep your colony moving.

Colony Flow Level 571 Overview

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What You Are Working With

The puzzle board presents a gorgeous large angelfish composed of black, white, yellow, orange, and purple food tiles. A thick layer of cyan tiles surrounds the fish to create the ocean background. You will notice four colored keys resting on different parts of the fish. You have a red key, a yellow key, a green key, and a purple key. Your tray at the bottom of the screen contains a very difficult traffic jam. You start with only a few playable numbered blocks while several colored padlocks block the rest of your pieces. You will also encounter connected boxes later in the level. These connected boxes link two or more numbers together and take up multiple waiting slots when you pull them.

What It Takes to Clear Level 571 Board

Clearing this board requires strict attention to your tray space. You have exactly five waiting slots at the bottom of the screen. If you fill all five slots with blocks that have no open paths to the board you lose the level instantly. You must always ensure the ants have a clear route to the food tiles. Your primary goal is to collect the keys on the board. Each time your ants eat the tiles under a key you collect that key. Collecting a key shatters the matching colored padlock in your tray to reveal the hidden numbered blocks underneath. You will slowly eat away the cyan water to reach the fish. Then you will dismantle the fish color by color to grab every key.

Colony Flow Level 571 Step by Step Solution

Step 1: Open the water paths with cyan and black blocks.

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You begin the puzzle with a board completely full of food tiles. The ants march out of the dark nest hole located at the bottom center of the screen. Your first moves must create physical space on the board. Pull the initial Cyan 40 block into your tray. The ants stream upward and attack the bottom right corner of the water border. Next you will pull the Black 26 block. The colony will follow the newly opened blue paths to reach the black outline of the bottom fin. Keeping your ants split between the large cyan border and the smaller black details is the perfect way to prevent your five waiting slots from jamming. You want a steady stream of ants eating the water while another group picks apart the fish.

Step 2: Clear the decorative purple and orange details.

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Look at the waiting blocks available in your tray. You will see a Purple 1 block and an Orange 2 block ready to go. Pull both of these small numbers into your slots. The ants rush in to clear the tiny purple and orange decorative pixels scattered along the bottom fin and the tail. These small numbers clear out of your tray almost instantly. This rapid turnover is exactly what you need to keep your waiting slots empty. Pulling these blocks exposes the bright inner yellow stripes of the angelfish body. You must clear these outer details completely before the ants have any valid path to reach the central keys.

Step 3: Collect the yellow key to break the yellow padlock.

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Now you have access to a large yellow block. Pull the Yellow 14 block into your tray. The ants form a long line and target the bright yellow stripes stretching across the middle of the fish body. The yellow key rests directly on these stripes. As the ants consume these specific yellow food tiles they automatically collect the yellow key. You will see the yellow padlock in your tray shatter and disappear. This action unlocks a new set of numbers including a Yellow 3 block that you desperately need. Always wait for the padlock breaking animation to finish before you plan your next move. Rushing your pulls will cause a massive pileup in your limited waiting slots.

Step 4: Manage the first set of connected boxes.

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The tray now presents you with a challenging set of connected boxes. You will see a Yellow 9 block permanently linked to a Yellow 3 block. When you tap this group both blocks slam into your waiting slots at the exact same time. This move instantly fills two of your five precious slots. You must look at the board and ensure the ants have a clear path to the yellow pixels before you pull this connected group. The ants will quickly consume the remaining yellow pixels on the top half of the fish. The connected blocks clear out of your tray rapidly and give your slots back to you.

Step 5: Secure the green key from the black tiles.

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With the top fins fully exposed you can pull the next large black blocks. Look for the Black 35 block and pull it down. The ants swarm the massive black body of the angelfish. This massive feeding frenzy clears the food tiles holding the green key. The green key drops from the board and instantly shatters the green padlock in your tray. This crucial step reveals a massive Cyan 60 block hidden underneath. You must keep pulling black blocks to carve out the center of the fish. The black tiles make up the largest portion of the pixel art. Clearing them creates a massive empty hole in the middle of the board.

Step 6: Grab the purple key to unlock the purple blocks.

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Your next target is the purple key resting near the mouth of the fish. Pull the Purple 2 block into your tray. The ants march straight to the front of the fish and eat the final purple tiles. They grab the purple key upon eating the last tile. The purple padlock opens and frees up even more blocks in your tray. You now have access to a purple connected box and several massive cyan blocks. The angelfish is almost entirely gone by this point. Only the white stripes and a few stray black pixels remain floating in the empty center space.

Step 7: Collect the final red key and erase the fish completely.

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You are now ready to completely erase the angelfish from the puzzle. Pull the White 34 block into your active slots. The colony marches directly to the white stripes and the bright white eye of the fish. As the ants consume the final white food tiles they secure the red key. The red key is the absolute final key on the board. Collecting it triggers a massive chain reaction in your tray. The tough red padlocks at the very bottom break open all at once. You now have completely unrestricted access to every block you need to finish the puzzle. The center of the board is completely empty and ready for the final flood of ants.

Step 8: Flood the board with massive cyan blocks.

Your tray is now fully loaded with massive cyan numbers. You have a Cyan 30 block another Cyan 30 block and a Cyan 40 block waiting for you. Pull the Cyan 40 block first. The ants will flood out of the nest and target the thick right side of the water border. The path is completely wide open now. Because the entire center of the board is empty the ants travel incredibly fast across the open space. Pull the two Cyan 30 blocks next. The colony splits up and aggressively attacks the top corners of the board. The blue pixels vanish rapidly as the ants swarm the upper edges.

Step 9: Navigate the triple connected boxes.

Before you finish the level you will encounter one final tricky block. You will see a Yellow 3 block connected to an Orange 2 block which is connected to another Yellow 3 block. This triple connected group takes up three slots at once. You must have three empty slots available before you touch it. Pull the group into your tray. The ants will rush to eat the very last remaining yellow and orange pixels near the top edge of the old fish outline. Once they finish this connected group disappears and leaves your tray perfectly clean for the final moves.

Step 10: Mop up the leftover border pixels to win.

Only a tiny fraction of the cyan border remains at the very top of the screen. Pull the final Cyan 25 and Cyan 26 blocks. You can pull them back to back because the ants have plenty of room to operate and the tray has plenty of open slots. Watch as the colony consumes the final blue food tiles at the highest edge of the puzzle. The screen goes completely blank. You have successfully cleared the entire board without ever jamming your five waiting slots.

Final Thought

This level tests your patience and your ability to manage very limited tray space. The sequence of collecting the yellow key then the green key then the purple key and finally the red key is the absolute only way to survive. You must let the ants finish their current jobs before you crowd your slots with massive connected boxes. Please watch the video above this article if you find any specific sequence hard to follow in the text.

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