LEVEL 021

Fish Flow Level 21 Guide

Official initial board and replay-verified 23-move strict JSON solution for Fish Flow Level 21, featuring 6 seaweed-locked branches. Branch numbering starts at 1.

Moves
23
Branches
10
Fish types
8
Mystery fish
0
Seaweed branches
6

Initial board

Read each array from bottom to top; the rightmost value is the current top fish. “?” marks a fish that starts hidden.

Open board JSON
BranchCapacityFish (bottom → top)Status
146 → 0 → 3Seaweed locked · unlock after completing fish 4
244 → 0 → 1Seaweed locked · unlock after completing fish 2
344 → 7 → 1Available
447 → 6 → 0Seaweed locked · unlock after completing fish 2
547 → 3 → 7Seaweed locked · unlock after completing fish 2
641 → 0 → 3 → 4Seaweed locked · unlock after completing fish 5
742 → 2 → 5Available
845 → 5 → 2Available
944 → 2 → 5Available
1043 → 6 → 6 → 1Seaweed locked · unlock after completing fish 4

23-move solution

Every move uses the fully settled board after automatic movement, reveals, completed groups, and seaweed unlocks from the previous step.

Open answer JSON
  1. 01Branch 7Branch 9
  2. 02Branch 8Branch 7
  3. 03Branch 9Branch 8
  4. 04Branch 9Branch 7
  5. 05Branch 2Branch 3
  6. 06Branch 2Branch 4
  7. 07Branch 2Branch 9
  8. 08Branch 6Branch 9
  9. 09Branch 3Branch 2
  10. 10Branch 3Branch 5
  11. 11Branch 3Branch 9
  12. 12Branch 1Branch 6
  13. 13Branch 4Branch 1
  14. 14Branch 10Branch 2
  15. 15Branch 4Branch 10
  16. 16Branch 5Branch 4
  17. 17Branch 6Branch 5
  18. 18Branch 1Branch 3
  19. 19Branch 6Branch 3
  20. 20Branch 2Branch 6
  21. 21Branch 10Branch 1
  22. 22Branch 5Branch 10
  23. 23Branch 4Branch 5

Strict JSON for AI assistance

Contains only protocol-approved fields and can be pasted into the in-game AI assistance input.

{
  "schema": "fish-flow-ai-solution/v1",
  "level": 21,
  "boardFingerprint": "ff1-c273309d",
  "modelName": "FISH FLOW Guide 1.0",
  "moves": [
    {
      "from": 7,
      "to": 9
    },
    {
      "from": 8,
      "to": 7
    },
    {
      "from": 9,
      "to": 8
    },
    {
      "from": 9,
      "to": 7
    },
    {
      "from": 2,
      "to": 3
    },
    {
      "from": 2,
      "to": 4
    },
    {
      "from": 2,
      "to": 9
    },
    {
      "from": 6,
      "to": 9
    },
    {
      "from": 3,
      "to": 2
    },
    {
      "from": 3,
      "to": 5
    },
    {
      "from": 3,
      "to": 9
    },
    {
      "from": 1,
      "to": 6
    },
    {
      "from": 4,
      "to": 1
    },
    {
      "from": 10,
      "to": 2
    },
    {
      "from": 4,
      "to": 10
    },
    {
      "from": 5,
      "to": 4
    },
    {
      "from": 6,
      "to": 5
    },
    {
      "from": 1,
      "to": 3
    },
    {
      "from": 6,
      "to": 3
    },
    {
      "from": 2,
      "to": 6
    },
    {
      "from": 10,
      "to": 1
    },
    {
      "from": 5,
      "to": 10
    },
    {
      "from": 4,
      "to": 5
    }
  ]
}