Without a doubt, one of the best playstore puzzles that can be played on mobile. The plot is basically repairing an alien ship, but this leads to solving challenging puzzles and some surprises. The length of the game is impressive, special mention to its graphics and soundtrack that surround you in the game and make it even more addictive. The difficulty is medium, but it can get complicated, especially in the later levels. The way it plays is very intuitive and this makes it a truly outstanding game and highly recommended. Buy Machinika museum and then this Atlas version.
Machinika Atlas is a great game.