Are the puzzles free?

Yes, all puzzle levels are completely free — no subscription or download required.

How many levels are there?

The number of levels varies by game. Many puzzle games include 20–100+ levels of increasing difficulty.

Can kids play Screw Master?

Yes, puzzle games are suitable for all ages. The logic-based gameplay makes them great for kids and adults alike.

Some levels are timed, others are relaxed. Check the game's top bar — a clock icon means there's a time limit.

I'm stuck on a level — what should I do?

Most puzzle games include a hint button or a skip option after a few failed attempts. Take a break and return with fresh eyes if the hint doesn't help.

Screw Master

game.aboutGame

Welcome to Screw Master: Nuts and Bolts , a mystifying and challenging puzzle-solving game , waiting for you to demonstrate your wit and skills . In this labyrinthine world made up of twisted iron plates and blocks, you will face a variety of complex and baffling puzzles . This world is filled with abandoned bolt fragments and rings, composing an epic odyssey of puzzles.