There are fewer Power-Ups (Mushrooms and Fire Flowers) throughout the stages.

Legal and Ethical Considerations Despite cultural benefits, distributing copyrighted ROMs without permission is illegal in most jurisdictions. Even when framed as preservation or for “free” access, unauthorized copies infringe intellectual-property rights. Fan-made hacks present a gray area: while original patches (IPS, UPS) only store differences and require users to apply them to legally obtained ROMs, many community sites make complete, pre-patched ROMs available—effectively redistributing copyrighted works.

: Most of the convenient warp zones from the NES game are removed or restricted. Extra Life Cost

Features fewer 1-Up mushrooms, scarcer power-ups, and more enemies.

: Because this is an arcade board and not a standard home console cartridge, some emulated versions require specialized .fds or arcade files rather than a standard .nes file to boot properly.