Level 149 · River Snails

River Snails is level 149 of Crumb Colony. The pixel picture has 1292 blocks in 7 colors, the tray holds 81 ant boxes, and the difficulty is Hard.

Difficulty

Hard

Pacing

Hard middle

Blocks

1292

Colors

7

Ant boxes

81

Mechanics

7 chained pair(s) · 1 golden key(s) · Spider web (54 bites) · Mystery boxes

Like this pixel picture? BitBead can turn it into a printable fuse bead pattern.

Play level 149

About the dish

When the water went down, river snails crept across the mud by the creek, leaving trails behind them. We filled a little bucket, and in the evening they were stir-fried and we sucked them out of their shells.

How the picture comes apart

From the frame to the center the picture is 18 layers deep. The outer ring is mostly brown and light blue, the middle band is mostly brown and dark green, and the core is mostly brown and dark brown. Ants can only reach the next layer once the one around it is gone, so the core colors are the last to become useful.

By block count the biggest colors are brown, light blue and dark brown.

The 1 golden key(s) are buried in the middle band of the picture, so the locks they open come into play around the middle of the level.

The spider web covers 30 cells in the core of the picture and needs 54 bites from soldier ants.

Reading the tray

The tray starts with 81 boxes in 4 columns. At the start 4 of the 4 front boxes can bite right away: dark brown (bites now), brown (bites now), light blue (bites now) and light blue (bites now).

Chained pairs start in column 1–2, row 8, column 1–2, row 12, column 1–2, row 13, column 2–3, row 9, column 2–3, row 10, column 2–3, row 14 and column 3–4, row 13.

Locked boxes start in column 2, row 20.

16 mystery box(es) only show their color when they reach the front.

5 soldier box(es) carry the bites for the web.

How the verified run plays out

The solution further down was played to the end in the real game, with ants walking and real timing. It takes 74 taps. The chart shows how many boxes were still parked in the 5 slots, waiting for their color, just before each tap.

Opening (taps 1–25): 35% of the blocks are eaten, with up to 1 of the 5 slots holding a box that is waiting.

Middle (taps 26–44): 33% of the blocks are eaten, with up to 3 of the 5 slots holding a box that is waiting.

Ending (taps 45–74): 32% of the blocks are eaten, with up to 3 of the 5 slots holding a box that is waiting.

A key comes out before tap 63. The web breaks before tap 66. Chained pairs are taken at taps 27, 30, 31, 36, 37, 51 and 58.

Strategy

Check the colors of the first three boxes in each column and compare them with the colors exposed on the outer ring of the picture. Always keep one slot free to catch a color that can't be eaten yet.

The start is easy and the pressure builds in the middle. Use the calm opening to sort out the back rows and try to have two slots free before the middle phase.

Keys are buried in the picture and must be dug out to open the locks in the tray. Prioritize colors that eat around the keys so locked boxes don't block the front row for long.

Nothing under the spider web can be eaten. Wait until the edge of the web is exposed before sending the soldier box (the leafy green one), or it just occupies a slot.

Chained boxes need both halves in the front row and two free slots. Take the boxes in front of them first and free two neighboring slots in advance.

Mystery boxes show their color only when they reach the front. When you see one coming, don't fill every slot; leave room for it.

Strategy guide: reading the tray and keeping the nest clear · Chained boxes · Locks and golden keys · Spider webs and soldier ants · Difficulty curves

Step-by-step solution

This order of taps is verified to clear the level. Columns are numbered 1–4 from the left; after each tap, wait until the ants are out before the next one. Two boxes shown together are a chained pair taken in one tap.

Level 149 questions