Block Puzzle Prototype

So, the precise mechanics of this game appeared in a dream of mine. It is purely a puzzle game. You can move in the orthogonal directions, upon which all movable blocks move as far as they can go in that direction. Collect all the collectibles to win the level. I assumed that I had already played such a game, as that would be how it entered my mind, but neither of us could identify it. I considered I could create this game myself, though I didnt want to exactly rip off an existent game. I create...