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