Suggested By:Bumpkin Brothers
The Machine is not, as you might expect, an Incredible Machine style game, despite the claim that it is "physics-based;" rather, it is a logic puzzle game. That is, there is really no opportunity for inventive solutions using Rube Goldberg-like mechanical contraptions that were not the designer's preferred solution (a specialty of Fantastic Contraption). Rather, there is a planned solution for each puzzle, and minor details of positioning will not (as they will in true physics games) defeat you.
The game is played in a square (or rather, cube) grid; you have to deliver some mixture of differently-colored and differently-sized cubes to one location in the grid. You place various items on the grid to 'fill the order,' some pre-placed by the level and some up to you to figure out how to place. You can remove and edit placements, and 'turn on' the mechanism to see what happens.
The result is very much a logic puzzle; e.g., "the splitter must occupy a 3-1 tetromino, and it could only go here, here, or here, and this placement makes it impossible to put the red-painter anywhere, therefore...." Unlike most puzzles with a "play" button, you generally know you're going to fail before you try.
As with most good logic puzzle games, an increasing variety of mechanisms are added over time, creating a variety of puzzles of increasing complexity.
If there's a problem, it's that the basic game has a scant 33 puzzles; but purchase gives you a few more, and a level editor gives promise of user-created levels to come.
And as a basic logic puzzle game, it's quite good.