LEVEL 018

Fish Flow Level 18 Guide

Official initial board and replay-verified 19-move strict JSON solution for Fish Flow Level 18, featuring 10 mystery fish. Branch numbering starts at 1.

Moves
19
Branches
10
Fish types
6
Mystery fish
10
Seaweed branches
0

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
142? → 1Available
243? → 2 → 0Available
344? → 5Available
440? → 4 → 1Available
540? → 2Available
640? → 5 → 1Available
743? → 4Available
843? → 5Available
945? → 1Available
1042? → 3 → 4Available

19-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 1Branch 4
  2. 02Branch 3Branch 8
  3. 03Branch 5Branch 1
  4. 04Branch 7Branch 3
  5. 05Branch 9Branch 6
  6. 06Branch 8Branch 9
  7. 07Branch 2Branch 5
  8. 08Branch 2Branch 1
  9. 09Branch 2Branch 7
  10. 10Branch 7Branch 8
  11. 11Branch 10Branch 3
  12. 12Branch 10Branch 8
  13. 13Branch 1Branch 10
  14. 14Branch 4Branch 1
  15. 15Branch 4Branch 3
  16. 16Branch 6Branch 1
  17. 17Branch 6Branch 9
  18. 18Branch 4Branch 5
  19. 19Branch 5Branch 6

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": 18,
  "boardFingerprint": "ff1-d68ed46e",
  "modelName": "FISH FLOW Guide 1.0",
  "moves": [
    {
      "from": 1,
      "to": 4
    },
    {
      "from": 3,
      "to": 8
    },
    {
      "from": 5,
      "to": 1
    },
    {
      "from": 7,
      "to": 3
    },
    {
      "from": 9,
      "to": 6
    },
    {
      "from": 8,
      "to": 9
    },
    {
      "from": 2,
      "to": 5
    },
    {
      "from": 2,
      "to": 1
    },
    {
      "from": 2,
      "to": 7
    },
    {
      "from": 7,
      "to": 8
    },
    {
      "from": 10,
      "to": 3
    },
    {
      "from": 10,
      "to": 8
    },
    {
      "from": 1,
      "to": 10
    },
    {
      "from": 4,
      "to": 1
    },
    {
      "from": 4,
      "to": 3
    },
    {
      "from": 6,
      "to": 1
    },
    {
      "from": 6,
      "to": 9
    },
    {
      "from": 4,
      "to": 5
    },
    {
      "from": 5,
      "to": 6
    }
  ]
}