What is your IQ? Do you want to know? Play Nuts & Bolts 3D: Screw Master to test your smart

Being fun and smart at the same time, challenges and trains your mind while having fun with endless pin puzzles.

Screw it out and set it free for all blocks in the levels, become master puzzle solving and have fun with the imaginative games we've created just for you.

Easy but fun gameplay
Tap and tap only to move all screws get out the block, and remove all blocks to win this game

Various Difficulty Levels
Dive into 100+ levels, from beginner to advanced, full of fresh challenges and brain-teasing puzzles to keep your mind sharp and the fun rolling

Hint System
Get friendly hints to solve tricky wood nuts and bolts puzzles

Beat the challenge
Navigate through twists and turns, guiding the bolts to beat the challenges on your path.

Solve it as fast and creatively as possible
Connect bolts, pins, and nuts in the coolest ways ever. Show off your creativity and solve puzzles with just a few magical moves!

Design your own nuts and bolts
10+ skins to customize wood nuts and bolts

Do you accept our challenge to find out who is the smartest in Nuts & Bolts 3D: Screw Master