Endless Puzzles. Zero Setup. The Ultimate Solo Brain Game.
Ready to play?
No setup needed - just click below.
Perfect for solo players, travel puzzlers, or as a smart, screen-free gift.
Perfect for solo players, travel puzzlers, or as a smart, screen-free gift.
Most puzzles end when you solve them. Quadrillion is different. There’s always another challenge waiting.
Why Quadrillion?
✅ Instant Setup
Just snap the magnetic boards together and start. No rules to read, no pieces to sort.
✅ Endless Challenges
There are millions of possible puzzles, but only one solution for each layout.
✅ Perfect for All Ages
From kids to adults, it’s brain-boosting fun that fits in your bag or on your coffee table.
✅ Stress-Free but Addictive
Play for 5 minutes or get lost for an hour. It’s your brain break, your way.
✅ Award-Winning Design
Loved by educators, puzzlers, and families worldwide.
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Your first challenge starts the moment you open the box. Snap the magnets together any way you like - then solve the puzzle you've just created!
Perfect for solo players, travel puzzlers, or anyone who loves a challenge.
Loved by puzzlers worldwide. Join the challenge!
Give the Perfect Gift >>How to Play Quadrillion
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Step 1
Snap the 4 magnetic grids together as you like.
Step 2
Fit all the puzzle pieces on the game board you just made. You can't place any puzzle pieces on top of the black or white dots.
Step 3
There is always at least one solution. And that's a fact!
Ready to Challenge Your Brain?
Quadrillion is the perfect mix of stress relief and serious brain food.
Once you start, you’ll want to keep going.
Get Quadrillion Now >>Puzzles don't just pass the time - they build it.
They teach focus, patience, and perseverance. And best of all? They're fun while they're doing it.
Loved Quadrillion? Here are some challenges to try next.
Puzzles like Quadrillion aren’t just fun - they’re little workouts for the mind. They teach perseverance, reward focus, and deliver that addictive “just one more try” feeling.
If you’ve enjoyed Quadrillion, here are more puzzles and games that will stretch your thinking, calm your mind, and keep you coming back for more.
View More Brain-Teasing Puzzles >>One Board. Unlimited Puzzles. Endless Fun.
Get Quadrillion Now >>
