Bulldoku Level 4: Walkthrough & Solution
Step-by-step Bulldoku level 4 guide (5×5). One pup per color, row and column, no touching. Difficulty 18.5.
Play Level 4Step-by-step logic
1. Step: place pup (row 1, column 5)
After crosses, the cyan region has only one legal cell — row 1, column 5. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 1 2. Step: place pup (row 3, column 4)
After crosses, the mint region has only one legal cell — row 3, column 4. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 2 3. Step: place pup (row 5, column 3)
After previous pups, column 3 has only one free cell — row 5. Place the orange region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 3 4. Step: place pup (row 2, column 2)
After previous pups, column 2 has only one free cell — row 2. Place the pink region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 4 5. Step: place pup (row 4, column 1)
After previous pups, column 1 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 5
Final solution
All pups placed correctly: R1 C5, R2 C2, R3 C4, R4 C1, R5 C3
Similar difficulty levels
FAQ
- How do I solve Bulldoku level 4?
- Follow the 5 steps above: find forced placements first, then mark impossible cells with X.
- Where can I play level 4 online?
- Click "Play Level 4" to open the free browser game with this exact board.