The most entertaining way to train your logic is to play fun, but challenging brainteasers. In this unique puzzle game, you will have to go through dozens of levels! Become the best in solving puzzles with the classics of engineering games! Sharpen your logical and tapping skills to get through lots of levels faster than anyone ever did! What’s Inside: ★ A full version of a logical puzzle for free ★ Famous classics of brainteaser genre ★ Colorful and atmospheric game design ★ Non-trivial time