Which opening tap keeps Colony Flow Level 12 clean?

Start with the 30 green stack in slot two of the 5-cell buffer row, then the 13 green stack in row one column one of the 4x3 grid, and then the small 5 black stack as soon as it lifts into the buffer. Those three waves are what close the small green leaf cluster and the dark outline of the curled fox together, and the row of 30 yellow stacks should be held until the leaf and outline ants have cleared the dirt path.

What goes wrong if I send the 30 yellow stacks back to back too soon in Colony Flow Level 12?

The yellow, green, black, brown, and grey ants all use the same dirt path through the single dark ant hole in the middle of the board, so tapping more than one 30 yellow stack per beat piles yellow waves on the perimeter and strands the 5 black outline cubes, the 35 brown dirt-path stack, and the 30 grey / 32 grey cluster behind the yellow traffic. Tap one 30 yellow per beat and the rest of the colors reach their cells in the same loop.

Colony Flow! level guide

Colony Flow! Level 12 Walkthrough

easy 6 colors

Colony Flow Level 12 is a curled-fox pixel-art board where a yellow body, a small green leaf cluster, a black outline, a brown dirt path, and a grey sky all use the same dirt path through a single dark ant hole, and the 5-cell buffer row opens with a 30 green stack already in slot two above a 4x3 grid.

Board Notes

Layout: The board opens in portrait view. The top of the screen holds a pixel-art fox (or orange cat) curled into a rounded shape: a thick yellow body with orange shading across the back and tail, a small dark-black outline wrapping the silhouette, a small dark-black nose and ear, two tiny black eyes, and a small cluster of three green leaves sitting on the upper-left of the fox's head. A line of small white ants runs along the bottom edge of the art board, and a single dark round ant hole sits in the dirt path directly below the art. The working area underneath the path is a 5-cell buffer row on top and a 4x3 grid (4 columns x 3 rows = 12 cells) of numbered cube stacks below. The 5-cell buffer row opens as 8 (grey), 30 (green), and three empty white slots. The 4x3 grid opens as 13 (green), 30 (yellow), 30 (yellow), 30 (yellow) on row one; 35 (brown), 30 (yellow), 30 (grey), 30 (grey) on row two; and 30 (grey), 30 (grey), 32 (grey), 30 (grey) on row three.
Goal: Yellow cubes from the row of 30 yellow stacks and the 30 yellow that rises into the buffer must fill the yellow body of the fox. Green cubes from the 30 green buffer and the 13 green stack in row one column one must fill the small green leaf cluster on the upper-left of the fox's head. Black/dark cubes from the small 5 black stack that lifts into the buffer must fill the dark outline wrapping the fox silhouette plus the small nose, ear, and eye cells. The 35 brown stack fills the dirt path cells directly under the fox, and the cluster of 30 grey and 32 grey stacks fills the sky and perimeter cells around the silhouette.
Opening: The first confirmed tap is the 30 green stack in the second slot of the 5-cell buffer row. Green ants leave the slot and walk the dirt path up to the leaf cluster on the upper-left of the fox's head, so the green leaf cells start filling one by one (the count drops to 27 in the first beat). The second tap is the 13 green stack that rises to the top of column one in the 4x3 grid, sending a second green wave into the remaining leaf cells. The third tap is the 30 yellow stack in row one column two, dispatching a long yellow ant wave up the right side of the dirt path toward the yellow body of the fox. The fourth tap is the small 5 black stack as soon as it lifts into the buffer row, sending dark ants toward the outline cells. The 30 yellow and 30 yellow stacks in columns three and four are held for one beat so the green leaf wave and the black outline wave can clear the perimeter first.
Danger Zone: The danger zone is the 30 yellow stack in row one column two of the 4x3 grid. It sits directly under the green leaf route, and tapping it on the very first beat (before the 30 green buffer is even dispatched) sends yellow ants up the same dirt path as the green and black ants, which stalls the green leaf fill and strands the 5 black outline cubes in the buffer. The other trap is letting the row of 30 yellow stacks in columns two, three, and four be tapped back to back. Yellow, green, black, brown, and grey all share the same single ant hole, so three or four yellow waves in a row pile up on the perimeter and block the 35 brown stack from reaching the dirt path under the fox. Tapping the 32 grey stack in row three column three too early is also bad, because grey ants share the path with the brown and yellow ants and the grey waves stall the route before the fox body is even half-drawn.
Mechanics: Level 12 is a multi-stack color-routing board with a pixel-art completion goal and a 4x3 grid backing a 5-cell buffer row. The fox pixel art has three distinct color regions (yellow body, green leaf cluster, black outline) plus a brown dirt path and a grey sky perimeter, which means at least five colors have to be routed through the same dirt path. The 5-cell buffer row carries the high-priority leaf and outline stacks while the 4x3 grid below acts as the supply that refills the buffer as cubes are tapped. The single dark ant hole in the middle of the dirt path is the bottleneck: every ant wave has to enter and leave through that one hole, so the player has to leave one beat between waves of different colors to avoid a perimeter jam. The win cue is the completed curled fox art with the small green leaf cluster lit up, not the play area going empty.

Quick Tips for Colony Flow! Level 12 (spoiler-free)

Tap the 30 green buffer stack in slot two of the 5-cell buffer row first, then the 13 green stack in row one column one, and then the small 5 black stack as soon as it lifts into the buffer. Those three waves are what close the green leaf cluster and the dark outline of the fox together.
Tap one 30 yellow stack per beat. The yellow, green, black, brown, and grey ants all share the same single ant hole, so spamming the row of 30 yellow stacks strands the 5 black outline cubes and the 35 brown dirt-path stack behind the yellow perimeter traffic.
Save the 35 brown stack for after the third 30 yellow wave has cleared. Brown ants share the dirt path with yellow, and a premature brown click stalls the entire route on the still-empty fox body cells.

How to Solve Colony Flow! Level 12 — Full Solution

Tap the 30 green stack in the second slot of the 5-cell buffer row. Green ants walk the dirt path up to the small leaf cluster on the upper-left of the fox's head, and the green leaf cells start filling one by one (count drops to 27 in the first beat). Wait for the green ants to clear the path between the ant hole and the art board before the next tap.
Tap the 13 green stack in row one column one of the 4x3 grid. It rises to the top of column one and a second green wave finishes the remaining leaf cells. The empty white buffer slots in the buffer row stay open for the upcoming 5 black outline stack.
Tap the small 5 black stack as soon as it lifts into the buffer row. Black ants walk the same path and start filling the dark outline wrapping the fox silhouette plus the small nose, ear, and eye cells. The green and black waves clear the perimeter together.
Wait for the green and black ant waves to return to the ant hole. Do not tap any 30 yellow stack during this beat. The row of 30 yellow stacks in columns two, three, and four of row one is held in place so the leaf cluster and outline can close first.
Tap the 30 yellow stack in row one column two, let that yellow ant wave clear the perimeter, then tap the 30 yellow stack in row one column three, then the 30 yellow stack in row one column four. One yellow wave per beat is the safe rhythm; tapping more than one yellow stack back to back piles yellow ants on the dirt path and stalls the 35 brown stack.
Tap the 35 brown stack in row two column one as soon as the third yellow wave clears. Brown ants walk the path and fill the dirt path cells directly under the fox. The 30 yellow stack in row two column two follows on the next beat to keep the body fill going.
Tap the 30 grey stack in row two column three, then the 30 grey stack in row two column four, then the 30 grey stack in row three column one, letting each grey wave clear the path before the next. Grey ants handle the sky and perimeter cells around the fox silhouette.
Finish by tapping the 32 grey stack in row three column three and any remaining 30 grey or 30 yellow cubes in the bottom row. The curled fox is fully recolored once the last cube is delivered and the level banner appears.

Colors in this level:

Green, Yellow, Black, Brown, Grey, Orange

Common Mistakes to Avoid

Tapping the 30 yellow stack in row one column two on the very first beat, before the 30 green buffer has been dispatched. Yellow ants share the dirt path with the green and black ants and stall the green leaf fill, leaving the 5 black outline cubes stranded in the buffer.
Spamming the row of 30 yellow stacks in columns two, three, and four back to back. Three or four yellow waves in a row pile up on the single ant hole, and the 35 brown stack plus the 30 grey / 32 grey cluster stall behind the yellow perimeter traffic.
Firing the 32 grey stack in row three column three before the fox body is half-drawn. Grey ants share the dirt path with the yellow and brown ants, and a premature grey click stalls the route on the still-empty body cells.

Frequently Asked Questions

Which opening tap keeps Colony Flow Level 12 clean?
Start with the 30 green stack in slot two of the 5-cell buffer row, then the 13 green stack in row one column one of the 4x3 grid, and then the small 5 black stack as soon as it lifts into the buffer. Those three waves are what close the small green leaf cluster and the dark outline of the curled fox together, and the row of 30 yellow stacks should be held until the leaf and outline ants have cleared the dirt path.
What goes wrong if I send the 30 yellow stacks back to back too soon in Colony Flow Level 12?
The yellow, green, black, brown, and grey ants all use the same dirt path through the single dark ant hole in the middle of the board, so tapping more than one 30 yellow stack per beat piles yellow waves on the perimeter and strands the 5 black outline cubes, the 35 brown dirt-path stack, and the 30 grey / 32 grey cluster behind the yellow traffic. Tap one 30 yellow per beat and the rest of the colors reach their cells in the same loop.