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TowerFill
Logical Puzzle Games

Free Logic Puzzles: Sudoku, Skyscraper & TowerFill (No Sign-Up)

Enjoy classic Sudoku, height-deduction Skyscraper puzzles, and our original game TowerFill — all free, no signup needed. New daily puzzles every day to sharpen your mind.

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TowerFill

TowerFill
Daily Tracker
Easy Normal Hard
PLAY
A new puzzle combining jigsaw placement and Sudoku grid rules.
Solve daily puzzles to build your personalized Skyline higher!
【HOW TO PLAY】
Drag pieces from the stock and place them on the grid.
Hover them over the ROTATE HERE, or press R / Space while dragging to rotate 90°.
Place all pieces so the grid satisfies Sudoku rules.
TOWER
SUDOKU
SKY

SUDOKU

Sudoku
Daily Tracker
Easy Normal Hard
PLAY
The ultimate classic Sudoku. Fill the 9x9 grid with numbers 1 to 9 so that every row, column, and 3x3 block contains each number without repeats.

SKYSCRAPER

Skyscraper
Daily Tracker
Easy Normal Hard
PLAY
Deduce building heights. The clues on the outer edges indicate the number of visible skyscrapers when viewed from that direction.

Frequently Asked Questions

Where can I find a free logic puzzle site to play every day?

Right here! Our site offers all logic puzzles completely free without any registration or app downloads. New daily challenges are added every day.

I am looking for brain training puzzle games. Any recommendations?

We offer classic "Sudoku", height-deduction "Skyscraper" puzzles, and an original hybrid game called "TowerFill". They are perfect for daily brain training and logical thinking.

Can I play comfortably on my smartphone or tablet?

Absolutely. Our games are fully responsive and optimized for mobile browsers. You can also enjoy them on your PC browser.

What are the benefits of creating an account?

Creating a free account allows you to save your game progress automatically and access your "My Page", where you can view your play stats and daily stage records.

Can I pause a game and resume it later?

Yes, with a free account, your progress is saved automatically. You can safely close your browser and resume exactly where you left off, even from a different device.

Do I need to provide personal information to register?

Not at all. You don't need to provide an email address or real name. Just create a unique ID and password — registration is instant and secure.

What are Daily Puzzles and when do they update?

Daily Puzzles are new challenges added every day at 00:00 UTC. You can keep track of your daily records, and completing them rewards you with new buildings for your personal "Skyline".

Are there difficulty levels? Can beginners play?

Yes, all our games feature three difficulty levels: Easy, Normal, and Hard. Beginners can comfortably start with Easy to learn the mechanics.

What is the difference between Skyscraper puzzles and Sudoku?

Both require placing non-repeating numbers in rows and columns. However, Skyscraper adds a 3D twist: you use clues outside the grid (representing the number of visible buildings) to deduce the heights inside.

What makes TowerFill a unique puzzle game?

TowerFill combines the logical rules of Sudoku and Skyscraper with the intuitive fun of fitting various block shapes into the grid. It's a completely new hybrid puzzle experience.