SUDOKU APEX CHALLENGE DEMO
Just a Preview
This mini demo shows a taste of what's inside. The full app has 6 grid sizes, 20+ theme packs, daily missions, weekly tournaments and a monthly Grand Prix.
SUDOKU APEX
CHALLENGE
Play free Sudoku online or offline — the most complete free sudoku puzzle game on Google Play. Classic number sudoku, Letter Sudoku, and Shape Sudoku — all in one app. No internet required, 100% offline.
BUILT FOR EVERY
PUZZLE MIND
Three Sudoku Types
Classic number sudoku, Letter (Alphabet) Sudoku, and Shape Sudoku with 20+ theme packs — all in one app.
Fully Offline
No internet needed — solve free sudoku anywhere, even without Wi-Fi.
Every Skill Level
6 grid sizes from 4×4 to 9×9, and 4 difficulty tiers from beginner to expert.
Smart Assist
Mistake detection, note mode, and a hint system so you're never stuck.
FOUR WAYS
TO PLAY
Free Play
Unlimited sudoku at your own pace, in any grid size or difficulty.
Journey
Progress level by level as the challenge steadily ramps up.
Daily Missions
6 new missions every day: finish without mistakes, beat the clock, and more.
Grand Prix
A 30-day monthly tournament — 6 levels a day, climbing the leaderboard.
EVERY GRID
TELLS A STORY
CLIMB THE
LEADERBOARD
Weekly Tournaments
A new sudoku tournament every week. The leaderboard resets every 7 days — a fresh shot at the top, every week.
Grand Prix
A 30-day monthly tournament. Clear 6 levels a day and earn the monthly championship badge.
Daily 6 Missions
Finish without mistakes, solve without hints, beat the time, complete a specific grid size — clear them all for big rewards.
Login Rewards & Boosters
7-day login rewards, daily bonuses, and row & column boosters to help you push further.
Original Soundtrack
Dozens of music themes composed specifically for this free sudoku puzzle game. Download your favorites straight to your phone and listen even offline.
NO CATCH,
JUST SUDOKU
Sudoku is one of the most effective brain exercises recommended by educators and experts. Playing free sudoku puzzles regularly sharpens logical thinking, focus, and memory — a great sudoku game for elementary school kids learning logic, teens sharpening focus, and adults looking for a relaxing brain workout.
MORE FROM
THE APEX
GOT
QUESTIONS?
How do you play Sudoku?
Fill the grid so every row, column and box contains each number (or letter/shape) exactly once, with no repeats. Sudoku Apex Challenge guides you with mistake detection and notes as you play.
Where can I play free Sudoku?
Right here — Sudoku Apex Challenge is 100% free to download and play, online or fully offline, with no purchase required.
Is there a daily Sudoku puzzle?
Yes. The Daily Missions mode gives you 6 fresh sudoku challenges every day, plus Weekly Tournaments and a monthly Grand Prix.
Stuck on a puzzle — any hints to solve it?
Yes — smart hints, mistake detection and a note mode help you work through tricky sudoku puzzles step by step without spoiling the solution.
Is there easy Sudoku for beginners and kids?
Definitely — pick from 6 grid sizes (4×4, 6×6 and more) and 4 difficulty levels, from easy sudoku for kids and beginners up to expert-level challenges.
Can I go from easy to expert difficulty?
Yes — progress at your own pace through 4 difficulty tiers, from easy and medium to hard and expert sudoku puzzles.
YOUR SUDOKU
CHAMPIONSHIP STARTS
One free download. Three sudoku types. Zero limits.
FREE · OFFLINE · NO PURCHASE REQUIRED