The biggest issue with this hack is the clear lack of thought and effort put into levels. Although there were many custom sprites inserted, most of them weren't used to their full gimmick potential because most levels were just too flat. Too little of what SMW has to offer was used blocks/structuring-wise, which just leaves flat landscapes with little to no variation at all. Because of the overdependency of putting custom sprites into levels, their difficulty was practically consisted of the sprites' own difficulty to evade/defeat, making the difficulty curve of this hack a giant mess. Bosses were big offenders on this matter.
The item blocks were so lazily placed, it was clear you didn't mind copy-pasting them and even following the same patterns. You didn't even bother to place some loose coins and coin blocks in levels. This was a bit cringeworthy, and it happened throughout practically the whole hack.
Lack of effort also applies to the OW here: submaps are flat, uninteresting, decoration and level tiles were lazily placed and lastly, all Star tiles have "Star Road" as their destination name, which confuses the player. There also were too few save points for all those somewhat long levels, which blatantly punishes the player for getting a game over.
The hack also suffers from GFX inconsistencies and clashing, both intra and inter-levels. At least musically the hack is consistent and all songs were fitting.
I found myself spotting various (minor) grammar mistakes, so I feel like the hack didn't have proper proof-reading, which doesn't contribute to its professionalism.
Overall, I felt like rushing through all those levels as fast as I could, because I wasn't having any fun thanks to the dull level design and lack of creativity. It seems the hack just screams "laziness" at the player and looks like a compilation of misc. levels rather than a solid game.