Screw Master - Pin Puzzle

A little challenging and a little entertaining, this game is totally a time killer!
How to play:
Unscrew all the metal plates by unlocking the pins from the board;
There are tricky levels, such as keys, remember to pick the key;
If you find the space insufficient, just unlock more holes or use a hint.
Logic and order are important. One wrong move could result in dead-end.
Game features:
Customizable plates and screws;
Easy to play but challenging to master;
Train your brain of all ages;
Use your wisdom and pride yourself on the global leaderboard.
If you are a puzzle game lover, you can’t miss this game. 
Download and try Screw Master-Pin Puzzle!