Zoodoku

About Zoodoku

Give every animal its own patch! Put one animal in every colour, every row and every column, and they can't touch, not even corners. No guessing needed: every level has one answer you can work out.

Zoodoku is a free queens logic puzzle you can play right in your browser on iPhone, iPad, Android phones and computers. There is nothing to download: tap Play and you are in, and your progress is saved automatically.

How to play Zoodoku

1. One animal in every colour, every row and every column.
2. Animals can't touch, not even at the corners.
3. Tap a cell to mark an X. Drag to mark many.
4. Double-tap or hold a cell to place an animal.
5. A wrong cell costs a heart. You have 3 on every level.

Controls

Phone and tablet: tap, hold and swipe on the screen as shown in the game. Computer: use the mouse the same way (click for a tap, drag for a swipe).

1,000 levels and new mechanics

• Level 101+: Puddles – No animal can sit in water.
• Level 201+: Paw clues – The number says how many animals touch that cell.
• Level 301+: Hidden tiles – A bush hides a cell's colour until an animal or its X's reach it.
• Level 401+: Best friends – Colours with the same heart sit in next-door columns.
• Level 501+: Pairs – Two mechanics on every level.

Power-ups

• Hint – Places the next animal you could work out, and tells you why. First one free on every level, then watch a video.
• Auto-X – Crosses out every cell that can't hold an animal right now. First one free on every level, then watch a video.

Features

• Free to play, no download and no sign-up
• Works on iPhone, iPad, Android and computers
• Progress saved automatically, also as a guest
• 1,000 levels, each checked to be solvable