How to play Bulldoku
Logic puzzle online, Sudoku-style: pups instead of numbers — one per color, row and column, no touching.
Rules
- One pup per color — exactly one pup in each colored region.
- One pup per row and column — no repeats horizontally or vertically.
- Pups don't touch — not even diagonally.
Controls
- Single tap / click — mark or clear a cross (note: "not here").
- Swipe / drag — mark or clear multiple cells.
- Double tap / click — place or remove a pup.
- Hint — places one correct pup. Undo reverses moves but not lives.
FAQ
What is Bulldoku?
A free browser logic puzzle with bulldog pups. Rules are similar to Sudoku and Queens: place pups in colored regions with no row/column repeats and no touching.
What are the main rules?
Exactly one pup per colored region, per row, and per column. Pups must not touch, even diagonally.
How do I mark cells and place pups?
Single tap toggles a cross. Swipe marks multiple cells. Double tap places or removes a pup.
What happens if I place a pup wrong?
A wrong placement costs a life. After three mistakes you can watch an ad to continue or restart the level.
How many levels are there?
The campaign has many levels of varying difficulty plus a separate daily puzzle with streak rewards.
What is Premium?
Premium removes the free hint limit and ads for hints/lives. Payment via YooKassa (Russia only).
Do I need an account?
No — play as a guest. An account saves progress and hints across devices.