Ok, so, the idea itself have some potential because you can be really creative in the way to solve a puzzle, like instead of follow the path you can make fall the first plateform to aim the objective, or use cube as walls, you can create some creative puzzles and ways to solve them with this concept.
Actually you can push the ball with your body or an object like the cube, you can also push others objects, it means you can avoid solving puzzles every level.
And because of that it was not clear at first of what i'm supposed, but for the rest of the feedback i will ignore the fact you can push the ball like this..
So i've made some others run being legit this time.
The number of cubes seems a bit random, and you get more and more cube, it led in some confusion.
The very first puzzle you need to do nothing and it show you that the ball go in the yellow circle and it open the door, it's good, the second puzzle you normally are supposed to put a green cube under the wooden plank to imitate the first level situation. wich is also good, for that you need only one cube, but sometimes you get more than one, in that case you wonder why you need more.
In the third level i got a puzzle wich needed me at least 3/4 cubes, but this times there is only 2. I've still no idea how to solve it with only two. Then more puzzles I do, more cubes I got, more than necessary.
Having infinite puzzles looping is not necessary, when you've solve a puzzle one times, you already know the answer. Even the first level wich need just to start the puzzle come back several times.
Also, the puzzles order is random, so you can get at the beginning what is supposed to be "hard", like a level with timer + hammer trying to killing you and destroying everything, or you can get everytimes easy puzzles, means you can't get a game over and keep looping on easy difficulty. The hammer seems to have preset positionning, independently of the puzzle, making some puzzles seems impossible cause it destroy everything at the start.
I would like to have the shadows directly under the textures so it's easier to place cube under a platform relativly to his shadow.
The objective could have a better visual, like a halo to see it better.
Some bugs:
Cubes can be push through floor and walls, for example if you want to place a cube on another, you can accidentally push the first one under the floor. Or if you grab a cube and put it behind a wall and drop it.
The transition between level works, but you see the light change, also if you grab a cube to take it for the next level, wich is possible, it can lose his green texture to a texture with a heart on it.
You can't full screen, it keep his normal size and the rest is filled by black color.