IMO the cube has partial solutions that simplify the problem as you go. This "game" seems more like a penrose tiling. Any mistake may not be apparent until you

IMO the cube has partial solutions that simplify the problem as you go. This "game" seems more like a penrose tiling. Any mistake may not be apparent until you cannot put a piece, thus there is relatively little simplification and it may not be apparent how far you must undo the puzzle to make additional progress. Just my gut feeling on the comparison of the two games.