Bowser's Crown 1

Description

This hack received 2 sequels Bowser’s Crown 2: Broken Crown and Bowser's Crown 3: Bowser's Rebirth

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,
Very slightly modifies music,
Changes graphics,
Changes some single gameplay mechanics.