Unscrew the plates in the right order! Tap a screw that nothing covers and send it to the box of its colour. Spare screws wait in a five-slot tray. 40 levels from a simple workbench to a stack of 14 plates, with a daily puzzle, stars and hints.
Tap / click unscrew a free screw
No. Every level is solved by a computer first. You can still get stuck by filling the tray, so use Undo or Hint when it gets tight.
Finish without ever holding more than three screws in the tray at once, and without using a hint.
Yes. It is free to play in your browser on Popyca, with nothing to download or install and no account needed.
Yes. It works on phones, tablets and computers. Tap Play to open it full screen; you can hold your phone upright or sideways.
Yes, automatically in this browser. It keeps your stars for every level, your daily puzzle result and your achievements on this device. Sign in with Google on Popyca to keep your progress in your account and continue on another device.