Bulldoku Level 99: Walkthrough & Solution

Step-by-step Bulldoku level 99 guide (6×6). One pup per color, row and column, no touching. Difficulty 28.8.

Play Level 99

Step-by-step logic

  1. 1. Step: place pup (row 2, column 6)

    After crosses, the pink region has only one legal cell — row 2, column 6. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 1
  2. 2. Step: place pup (row 3, column 2)

    After crosses, the mint region has only one legal cell — row 3, column 2. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 2
  3. 3. Step: place pup (row 1, column 4)

    After crosses, the cyan region has only one legal cell — row 1, column 4. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 3
  4. 4. Step: place pup (row 4, column 5)

    After previous pups, row 4 has only one free cell — column 5. Place the yellow region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 4
  5. 5. Step: place pup (row 5, column 1)

    After crosses, the orange region has only one legal cell — row 5, column 1. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 5
  6. 6. Step: place pup (row 6, column 3)

    After previous pups, column 3 has only one free cell — row 6. Place the lavender region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 6

Final solution

All pups placed correctly: R1 C4, R2 C6, R3 C2, R4 C5, R5 C1, R6 C3

Solved board

Similar difficulty levels

FAQ

How do I solve Bulldoku level 99?
Follow the 6 steps above: find forced placements first, then mark impossible cells with X.
Where can I play level 99 online?
Click "Play Level 99" to open the free browser game with this exact board.