This hack received an sequel Bowser’s Crown 2: Broken Crown Story: Bowser has stolen a very powerful item from Princess Peach - the Fire Crown. It gives its owner incredible power. Take it back from him before he gets too powerful. To get to world 8 where Bowser is hiding, you need to get 7 magic keys. Complete rom hack to Super Mario Bros. that changes: All levels, Music, Graphics, Some single gameplay mechanics.
Kamiliusz