Colony Flow Level 721 Answer Key, Walkthrough & Solution

Easy
No dedicated video exists for level 721 yet โ€” the creator covers this range selectively. Check the full playlist for nearby levels, or follow the written guide below.
๐Ÿ“‹ Written practice guide (web version)board preview, color breakdown & loading order for the playable web level

Board Preview

What You're Up Against

Level 721 paints Umbrella with 140 tiles across 4 colors, split into 6 cubes in the tray. You have 5 waiting slots and two nest holes.

  • Aqua: 71 tiles โ†’ cubes of 40, 31
  • Red: 47 tiles โ†’ cubes of 30, 17
  • Orange: 14 tiles โ†’ cubes of 14
  • Brown: 8 tiles โ†’ cubes of 8

โš ๏ธ 1 hidden โ€œ?โ€ cube in the tray.

Spoiler: what they hide

Brown 8

Step-by-Step Solution

This loading order was computed from the web level layout with a reachability-first strategy: always feed the ants colors they can actually reach, and never let all 5 slots fill with blocked colors. Tap hidden โ€œ?โ€ cubes only when you have slot room to absorb a surprise color.

Load the cubes in this order, letting the ants work between picks. Unless noted, a cube's tiles are fully reachable when you send it.

  1. Send the Aqua 31 cube. Only ~30 of its 31 tiles are open at this point โ€” park it in a slot and let the surrounding colors clear the rest of the way.
  2. Send the Aqua 40 cube. Only ~18 of its 40 tiles are open at this point โ€” park it in a slot and let the surrounding colors clear the rest of the way.
  3. Send the Red 30 cube.
  4. Send the Red 17 cube.
  5. Send the Orange 14 cube.
  6. Send the Brown 8 cube.

Finish without boosters for 3 stars and bonus coins. If the board jams anyway, a Shuffle or Vacuum booster is the cheapest way out.

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