About this app
Cat person or dog person? Either way, Ruffdoku is your new daily logic fix. Place exactly one adorable pet on the board so that every color region, every row, and every column has just one — and no two pets ever touch, not even diagonally. Every puzzle is solvable by pure logic. No guessing, no luck — just the satisfying click of deduction. • A fresh DAILY CHALLENGE every day — build your streak and earn Perfect Solve badges • 100 hand-crafted LEVELS that grow from cozy 4×4 boards to brain-bending 10×10 • Pick your side: Team Meow or Team Woof — switch anytime • Mind your treats: three per puzzle, lose one for every wrong placement • Beautiful, share-worthy result cards to show off your solve • Quick to learn, hard to put down — perfect for a coffee break No sign-up. No clutter. Just you, the board, and very good pets. Can you keep your daily streak alive? Start solving.
Latest release
What’s New
Your daily Ruffdoku is now the main event: - Open straight into one shared Daily Challenge, with a fresh puzzle every day. - Build your daily streak and see when tomorrow's puzzle arrives. - Optional reminders help you return for the next challenge. - Replay after clearing to improve your personal best without changing your official result. - The first three Daily clears remain ad-free. Thanks for playing!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 7, 2026 · 7:55 PM Free