Daily · Level 104 guide

Bulldoku Level 104: Walkthrough & Solution

Step-by-step Bulldoku level 104 guide (5×5). One pup per color, row and column, no touching. Difficulty 28.9.

Play Level 104

Step-by-step logic

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

    After crosses, the orange region has only one legal cell — row 5, column 4. 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 5)

    After crosses, the mint region has only one legal cell — row 3, column 5. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 2
  3. 3. Step: mark X in row 2

    The pink region is confined to row 2. Mark X on cells in that row that belong to other regions.

    Board after step 3
  4. 4. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

    Board after step 4
  5. 5. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

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

    After previous pups, row 1 has only one free cell — column 1. Place the cyan region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 6
  7. 7. Step: place pup (row 2, column 3)

    After previous pups, row 2 has only one free cell — column 3. Place the pink region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 7
  8. 8. Step: place pup (row 4, column 2)

    After previous pups, column 2 has only one free cell — row 4. Place the yellow region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 8

Final solution

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

Solved board

Similar difficulty levels

FAQ

How do I solve Bulldoku level 104?
Follow the 8 steps above: find forced placements first, then mark impossible cells with X.
Where can I play level 104 online?
Click "Play Level 104" to open the free browser game with this exact board.