This hack turns the game into hard mode, so that the player won't have to complete the game. The hack contains the following features:
- Goombas are replaced with Buzzy Beetles
- enemies are faster
- the platforms are shorter
- all "only after World 5-3" enemies and hazards are allowed from World 1-1
NOTE: The piranha plants are not allowed from World 1-1!
Name: Super Mario Bros. (World).nes
SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922
MD5: 811B027EAF99C2DEF7B933C5208636DE
CRC32: 3337EC46